holds up111,099 likes · tiktok
Supermarket spices treated with ethylene oxide are not toxic to consumers: residues are minimal, and the risk associated with this substance concerns chronic industrial exposure, not dietary use.
The International Agency for Research on Cancer (IARC) assessment does indeed classify ethylene oxide as a Group 1 carcinogen, but this is based on observational data from occupational inhalation exposure among factory workers. For food consumers, the U.S. Environmental Protection Agency (EPA) relies on risk modeling to set extremely low tolerance thresholds that ensure safety. For its part, the European Food Safety Authority (EFSA) applies a maximum precautionary principle by banning this substance in food, which explains the regular product recalls in Europe. Despite this geographical regulatory divergence, exposure analyses confirm that residual traces in a pinch of spices are far too low to cause direct harm. The concept of acute toxicity or poisoning through ordinary culinary use is therefore not supported by any scientific data in humans.
holds up110,979 likes · tiktok
Ordinary supermarket spices treated with ethylene oxide do not pose a poisoning danger to consumers, as food residues are minute and major health risks only concern chronic inhalation in professional settings.
The creator correctly explains that while ethylene oxide is a Group 1 carcinogen (according to the IARC), its proven risks stem from inhalation exposure in industrial settings, not from food (EPA observational data). In reality, this gas is used as a fumigant to eliminate pathogenic bacteria that are much more dangerous in the short term, such as salmonella. Risk analyses (notably an exposure study published in Food and Chemical Toxicology) confirm that the presence of residues in spices is minute, with a lifetime health risk deemed negligible for consumers. Nevertheless, the regulatory approach differs: the European Union strictly prohibits its use on food products based on the precautionary principle, with ANSES considering that there is no completely safe exposure threshold for this substance. Even so, the creator's assertion holds up perfectly for daily consumption, as actual exposure remains insignificant.
holds up88,074 likes · instagram
Do not be misled by the sensationalist claim that Coke Zero contains 1,000 calories: this is a confusion between the scientific (physics) calorie and the dietary calorie (kilocalorie). Nutritionally, Coke Zero provides a completely negligible amount of energy (about 1 kcal per can).
The creator's explanation regarding the distinction between the physical calorie and the dietary calorie (kilocalorie or kcal) is entirely accurate and based on thermodynamic definitions. From a regulatory standpoint, European Regulation (EC) No 1924/2006 (regulatory standard) validates the 'calorie-free' labeling for beverages providing less than 4 kcal per 100 ml, which is the case for Coke Zero. Regarding weight management, a meta-analysis of clinical trials (RCT) published by Laviada-Molina et al. (2020) shows that replacing sugary drinks with sweetened versions helps reduce overall energy intake. Furthermore, a systematic review of clinical trials (RCT) by Rogers et al. (2016) confirms that these alternatives do not increase caloric intake and support weight loss. The creator therefore provides a very sound scientific clarification to dispel an unfounded misunderstanding linked to dramatization on social media.
holds up50,031 likes · instagram
Commercial spices are not toxic: their sterilization treatment with ethylene oxide is used to eliminate undesirable microbes and evaporates almost entirely without leaving harmful traces.
The creator Dr. Idz explains with relevance that commercial spices do not pose a danger to our bodies despite the use of ethylene oxide for their sterilization. This gaseous treatment aims to eliminate undesirable bacteria such as Salmonella, thereby protecting our digestive well-being very effectively. According to the guidelines of the U.S. Environmental Protection Agency (EPA) and the European Food Safety Authority (EFSA), tolerated residues are strictly regulated, reaching nearly undetectable thresholds of 0.1 ppm in Europe. As this gas is highly volatile, it evaporates almost instantly after application, ensuring the safety of the ingredients once they arrive in our kitchens. Scientific opinions from experts at the American Spice Trade Association (ASTA) further emphasize that foregoing this cleaning method would drastically increase the risks of natural contamination. Panic surrounding this compound on our plates is therefore scientifically unfounded, and the creator's reassuring clarification is perfectly validated by current regulatory data.
holds up36,529 likes · instagram
The creator Dr. Idz maintains that Nick Norwitz's claims regarding the safety of high cholesterol on a ketogenic diet rely on the omission of crucial scientific data and a study with biased conclusions.
The debate centers on the KETO-CTA study (initially published in 2025 in the journal JACC: Advances) co-authored by Nick Norwitz, which claimed that a sharp rise in cholesterol in lean, active individuals with excellent metabolic health did not worsen arterial plaque over one year. However, Dr. Idz's warnings proved to be entirely accurate: this study was officially retracted in March 2026 due to serious methodological flaws, non-reproducible data, and biased analyses that were not double-blind. Furthermore, experts such as heart health researcher Ron Karlsberg revealed that the participants in this study actually showed a much faster accumulation of plaque in their arteries than healthy control subjects. Contrary to Norwitz's thesis, the current scientific consensus, supported by meta-analyses and large observational studies, robustly demonstrates that very high cholesterol levels promote arterial clogging in the long term, even in athletic individuals. The idea that physical fitness cancels out the risks of excess cholesterol on an extreme ketogenic diet therefore lacks solid evidence. Dr. Idz provides an essential clarification for heart health by exposing these flaws.
holds up25,485 likes · instagram
One should be wary of the dietary supplement industry ("Big Supplement") just as one is of the pharmaceutical industry, because its products are much less regulated, often poorly supported by science, and primarily driven by marketing profit rather than real health benefits.
Research largely supports the idea that the dietary supplement industry benefits from a more flexible regulatory framework, which limits the obligation to scientifically prove a product's efficacy before it is marketed. In this regard, a major systematic review by the USPSTF (U.S. Preventive Services Task Force, 2022) confirms that taking multivitamins provides very few measurable benefits for vitality or longevity in healthy adults. Furthermore, a meta-analysis by Jenkins et al. (2018) published in the Journal of the American College of Cardiology shows that the most common supplements do not offer notable protective benefits for cardiovascular well-being. This finding validates the creator's warning against the sometimes disproportionate marketing of this industry. However, rejecting all supplements entirely would be an exaggeration, as randomized controlled trials (RCT) demonstrate the efficacy of targeted molecules, such as vitamin D for immunity in cases of deficiency, or creatine for muscle support. The call for vigilance is therefore entirely well-founded, while acknowledging the continued value of personalized supplementation.
more nuanced22,648 likes · instagram
Organic or 'natural' diets are not an absolute guarantee of longevity, as half of our ancestors who ate that way died before the age of 30.
Dr. Idz offers a fascinating perspective by pointing out that a purely natural lifestyle was not a guarantee of immortality. Historically, benchmark paleodemographic analyses published in the journal Population and Development Review (Gurven & Kaplan, 2007) confirm that the overall average life expectancy of our ancestors did indeed hover around 30 to 35 years. However, this statistical figure is primarily explained by the very high infant and juvenile mortality rates of that era. Observational data from the same study show that individuals who survived childhood often lived to be 50, 60, or 70 years old. Ultimately, our ancestors' raw diet was not the cause of their premature deaths: their overall life expectancy was simply limited by the lack of modern hygiene, infections, and physical trauma.
more nuanced20,580 likes · instagram
Organic food is a costly marketing strategy that provides no real nutritional or health benefits compared to conventional food.
This statement is based on real data but uses a deliberately provocative tone. A landmark meta-analysis from Stanford University (Smith-Spangler et al., 2012) confirms that there is no strong evidence indicating that organic foods are significantly more nutritious for adult health than conventional agriculture. Furthermore, expert opinions from institutions such as the Mayo Clinic reiterate that conventional products meet the same health safety requirements. However, labeling organic as a scam is excessive. Another meta-analysis published by Newcastle University in the British Journal of Nutrition (Barański et al., 2014) shows that organic products contain higher concentrations of antioxidants (up to 69%) and fewer heavy metals. Finally, while observational studies show a reduction in synthetic pesticide exposure through organic food, a direct link to an overall improvement in long-term vitality remains difficult to isolate from other healthy lifestyle habits.
holds up19,907 likes · instagram
The historical argument that our ancestors consumed raw milk in perfect health is a myth; untreated milk presents high risks of bacterial contamination that protective heating (pasteurization) safely eliminates, without significantly degrading the nutritional value of the product.
The creator's assertion challenging the myth of the perfect historical safety of raw milk is supported by a well-established food safety reality. Indeed, a major meta-analysis by MacDonald et al. (2011) demonstrates that the heat treatment of milk does not significantly alter its overall nutritional qualities, as the slight decreases in sensitive vitamins remain anecdotal for daily balance. Furthermore, large observational surveys, such as the European GABRIELA (2011) and PASTURE studies, have indeed highlighted a correlation between the consumption of raw farm milk in children and a reduction in allergic or respiratory sensitivities. Scientists suggest that this effect could be linked to the preservation of delicate whey proteins. Nevertheless, these observational data remain very difficult to dissociate from the overall exposure to the farm environment, which naturally stimulates the body's defenses. This is why research validates the creator's position: the risks of intestinal discomfort linked to undesirable germs in raw milk far outweigh its potential benefits.
holds up17,011 likes · instagram
Spending $99 on a specific whey protein under the pretext that it comes from grass-fed cows is unjustified, as it offers no superior benefits for fitness or well-being compared to much more affordable standard whey.
Whey protein is widely validated by science for supporting muscle mass, recovery, and satiety, as shown by a meta-analysis by Morton et al. (2018) published in the British Journal of Sports Medicine. Dr. Idz questions here the added value of a $99 premium version labeled "grass-fed." In terms of research, a review study by Alothman et al. (2019) confirms that milk from grass-fed cows has a slightly more favorable fatty acid profile, particularly regarding omega-3s. Nevertheless, as whey is a protein isolate or concentrate, it contains only trace amounts of lipids, which makes this fatty acid difference insignificant in the final product. Furthermore, no randomized controlled trial (RCT) demonstrates that "grass-fed" whey outperforms standard whey for weight management or physical fitness. The creator's perspective on the disproportionate price relative to actual benefits is therefore scientifically consistent.
holds up14,221 likes · instagram
For an identical intake of 400 calories, prioritizing voluminous, low-energy-density foods (such as vegetables) provides a significantly greater volume of food and produces satiety that is substantially superior to that of calorie-dense, highly processed foods (such as biscuits).
This principle is based on the highly robust concept of dietary energy density. A meta-analysis of randomized controlled trials (RCTs) published by Haghighatdoost et al. (2020) confirms that reducing this density significantly increases the sensation of fullness. Furthermore, another meta-analysis of clinical trials conducted by Mack et al. (2023) demonstrates that lowering energy density allows for a reduction in calorie intake while keeping the volume of food consumed constant. The high water and fiber content of vegetables physically stretches the stomach walls, which triggers rapid satiety signals. Nevertheless, the idea is slightly exaggerated in its practical application: long-term satiety over several hours also depends on macronutrients such as protein and healthy fats, which vegetables alone lack. Additionally, consuming such a massive volume of vegetables at once can prove uncomfortable for digestion and unrealistic on a daily basis.
overstated14,167 likes · instagram
Never consume plant-based meat substitutes if you want to protect your health.
The claim to avoid plant-based meat substitutes entirely is widely exaggerated in light of current science. While it is always ideal to prioritize whole foods like the tofu, rice, and vegetables illustrated in the post, demonizing all plant-based alternatives is not scientifically grounded. In fact, the SWAP-MEAT randomized crossover clinical trial, led by researcher Christopher Gardner of Stanford University, shows that replacing animal meat with plant-based alternatives improves several markers of well-being, notably by lowering LDL cholesterol and TMAO, a compound linked to heart vitality. Furthermore, a systematic review of human intervention studies published in the journal MDPI indicates that these meat substitutes promote a good sense of satiety while maintaining equivalent physical performance. Another literature review published in the Canadian Journal of Cardiology highlights that their overall nutritional profile, being lower in saturated fats, supports cardiovascular well-being compared to traditional red meat. Although these products are often processed, no solid evidence justifies excluding them entirely from a healthy and balanced lifestyle.
more nuanced12,632 likes · instagram
Cardiorespiratory fitness (cardio) is a pillar of health and longevity that is more determinative for the body than simple weight control or following a restrictive diet.
This statement is supported by a compelling scientific basis related to cardiorespiratory capacity. A landmark meta-analysis published in the British Journal of Sports Medicine (Weeldreyer et al., 2024), encompassing nearly 400,000 participants, reveals that fitness level is a much more robust predictor of longevity than body weight alone. The study shows that active and enduring individuals, even when overweight, maintain excellent overall vitality, whereas inactivity doubles the risk of physical decline. Furthermore, observational research from the American Aerobics Center Longitudinal Study (2009) suggests that the impact of an unbalanced diet is largely mitigated by good endurance. However, declaring exercise superior to nutrition remains an oversimplification. A diet poor in essential nutrients continues to have negative effects on digestion, energy, and cellular health that physical exertion cannot entirely erase. Long-term observational data from the renowned Harvard Nurses' Health Study also confirm that the combination of a balanced diet and regular training remains the ideal formula for maximizing one's active life expectancy.
holds up11,913 likes · instagram
Nutrient Response Testing (or kinesiology-based nutrient response testing) is not a scientifically valid method for assessing the health of organs like the gallbladder or for identifying specific supplement needs.
Dr. Idz expresses skepticism that is entirely aligned with modern science regarding 'Nutrient Response Testing,' a method that claims to assess nutrient needs via muscle resistance. A systematic review published by Haas and colleagues in the journal *Chiropractic & Osteopathy* analyzed the available data and concluded that manual muscle testing showed no clinical validity for diagnosing nutritional deficiencies or organ dysfunction. Furthermore, an expert consensus report from the American Academy of Allergy, Asthma, and Immunology (Bernstein et al., clinical opinion study) firmly classifies these practices among non-validated procedures lacking a scientific basis. While muscle assessment is a valuable tool in physical therapy for movement, its use to 'interrogate' the internal biochemistry of the gallbladder is based on no proven biological mechanism. The current scientific consensus shows that there is no direct and measurable link between the strength of a striated muscle and the nutritional status of a deep organ.
more nuanced11,602 likes · instagram
The recommended protein intake of 0.8 g per kilogram of body weight per day is more than sufficient for a sedentary adult to avoid deficiencies. It is unnecessary to set excessive goals or rely on ultra-processed protein bars and powders, as a varied and natural diet already amply meets our needs.
The baseline recommendation of 0.8 g/kg/day to maintain bodily vitality in sedentary adults is solidly validated by the WHO based on nutrient assimilation studies (expert opinion). For active individuals seeking to improve their fitness, research supports higher intakes, between 1.2 and 2.2 g/kg/day, to nourish muscles and optimize recovery. A meta-analysis by Morton et al. (2018) in the British Journal of Sports Medicine confirms the value of these increased intakes to support physical effort (meta-analysis). Furthermore, observational surveys such as the American NHANES study show that the majority of the Western population already exceeds this minimum quota without any supplements. Nevertheless, the new American nutritional guidelines published in 2026 recommend raising the general target toward 1.2 to 1.6 g/kg/day to promote lasting satiety and well-being over the years. Finally, while prioritizing whole foods is ideal, the demonization of protein snacks is nuanced, as clinical trials (RCT) indicate they remain practical and safe alternatives for busy athletes.
holds up11,065 likes · instagram
Oat flakes are a highly nutritious, satiating food that is excellent for weight management, contrary to the common misconception that they are devoid of nutrients.
In this post, Dr. Idz uses a deliberately provocative title to actually contradict a popular myth in the wellness sphere. Research fully validates his position: oats are far from being a nutrient-void food. A meta-analysis of randomized controlled trials (RCTs) published by Whitehead et al. (2014) in The American Journal of Clinical Nutrition demonstrates that beta-glucan (the soluble fiber in oats) effectively supports cardiovascular well-being by optimizing the lipid profile. Regarding weight management, a randomized crossover clinical trial (RCT) conducted by Rebello et al. (2013) in the Journal of the American College of Nutrition confirms that oatmeal significantly increases satiety and helps regulate appetite compared to conventional cereals. Finally, concerns regarding the alleged 'anti-nutrients' in oats are largely exaggerated by certain restrictive trends, as standard preparation with water or cooking is more than sufficient to neutralize them. Scientifically, oats therefore stand as an excellent ally for obtaining a supply of lasting energy, fiber, and essential minerals.
not proven yet11,018 likes · instagram
Peanuts are a very poor quality food ("crap food") that should be avoided to preserve one's health and physique.
Peanuts are sometimes labeled as a "bad food" due to their lectin or omega-6 fatty acid content. However, robust scientific evidence shows the exact opposite. Meta-analyses of large-scale observational studies, such as the one published in BMC Medicine (Aune et al., 2016), demonstrate that regular peanut consumption is associated with better cardiovascular health and a reduction in overall mortality. Furthermore, a recent randomized clinical trial (RCT), the ARISTOTLE study (2022) from the University of Barcelona, confirmed that daily consumption of peanuts or peanut butter improves vascular function in young adults without causing weight gain. Regarding the lectin argument, the Harvard T.H. Chan School of Public Health points out that roasting destroys almost all of these proteins, eliminating any potential digestive discomfort. Likewise, mold toxins (aflatoxins) are rigorously monitored by food safety agencies to ensure perfectly safe levels in commercial products. Except in cases of a proven allergy, peanuts therefore remain a superb nutritional ally, rich in protein and healthy fats.
more nuanced10,201 likes · instagram
Regularly consume organ meats (such as beef liver and heart) to maximize nutrient intake and optimize physical performance.
Organ meats like liver are indeed excellent sources of nutrients, exceptionally rich in vitamin A, B vitamins, and highly absorbable iron. Profiles established by reference databases such as the USDA (compositional observational data) confirm this extraordinary nutritional density. However, the idea that these specific foods are essential or superior for athletic performance is exaggerated. A literature review published in the journal *Nutrients* (2020) notes that the important factor for energy and recovery lies in the overall balance of macronutrients and micronutrients, with no single food holding magic power. Finally, excessive consumption of liver presents a risk of vitamin A overload, as highlighted by ANSES recommendations (expert opinions). Organ meats are therefore great allies for vitality, but remain completely optional for achieving physical fitness.
not proven yet9,753 likes · instagram
Chia seeds are harmful to women's health and well-being.
The claim that chia seeds are harmful to women is often based on the fear that their phytoestrogens disrupt hormonal balance. However, current scientific data, notably synthesized by the organization FoodFacts.org, indicate that these compounds do not alter female cycles and instead support general vitality. Furthermore, a clinical intervention study published in the journal *Plant Foods for Human Nutrition* shows that the consumption of ground chia seeds favorably increases levels of essential omega-3 fatty acids in postmenopausal women. On a regulatory level, the European Food Safety Authority (EFSA) has evaluated and confirmed the total safety of these seeds for human consumption. Their high soluble fiber content also helps regulate transit and supports satiety, a valuable asset for intestinal well-being and weight control. Finally, while excessive consumption without sufficient hydration can cause slight, temporary bloating, this in no way justifies labeling this food as dangerous. Science therefore largely supports the inclusion of chia seeds in the female diet.
overstated9,009 likes · instagram
Intermittent fasting is inherently bad and not recommended for women.
The claim that intermittent fasting is universally harmful for women is a hasty generalization that requires nuance. A systematic review and meta-analysis published in 2025 in the journal Nutrients demonstrates, on the contrary, that intermittent fasting provides notable benefits for women with hormonal imbalances such as PCOS, particularly by supporting weight management and better sugar regulation. Furthermore, a literature review from the Nutrition Society (2025) confirms that this practice proves overall safe for weight management, without disrupting the cycle or bone mass. Fears of a negative impact on female hormones stem primarily from older research on rodents, the extreme effects of which are rarely observed in humans. In this regard, a clinical trial from the University of Illinois Chicago published in Obesity (2022) shows that daily fasting of up to 20 hours in women does not problematically alter the levels of key regulatory hormones. In summary, while fasting should be avoided in cases of pregnancy, breastfeeding, or a complex relationship with food, it remains an interesting and safe tool for many women.
overstated8,285 likes · instagram
Consuming fruits and vegetables may increase the risk of developing lung cancer in young, non-smoking adults.
This striking claim is based on a preliminary observational study presented in April 2026 by researchers at the USC Norris Comprehensive Cancer Center. This work observed that non-smoking adults under 50 affected by lung cancer had a plant-based diet above the national average, which led the authors to hypothesize exposure to pesticides. However, renowned statisticians, such as Dr. Baptiste Leurent of University College London, quickly nuanced these conclusions by pointing out an obvious selection bias: young non-smokers naturally have a much healthier diet than the general population. Furthermore, this is merely an unpublished conference abstract that establishes no cause-and-effect relationship. Conversely, the overall state of research, including meta-analyses of prospective cohorts and recommendations from the World Cancer Research Fund, robustly demonstrates that consuming plants actively supports vitality and reduces the risk of chronic diseases. Therefore, there is no justification for reducing one's consumption of fresh produce.
holds up7,916 likes · instagram
The energy balance model (calories in versus calories out) remains the fundamental and inescapable principle of weight management. Attempts to refute it rely on a major confusion between the raw physical energy of indigestible elements and the energy actually assimilable by the human body.
Scientific consensus firmly supports Dr. Idz's assertion that the energy balance model remains the pillar of weight management. A review by the International Society of Sports Nutrition (ISSN, Aragon et al., 2017) confirms that an energy deficit is the essential factor for body mass loss, regardless of macronutrient distribution. Furthermore, rigorous clinical research conducted by Kevin Hall at the National Institutes of Health (NIH) shows that the human organism strictly obeys thermodynamic principles. However, these same studies specify that our body is a dynamic system: metabolism actively adapts by adjusting its energy expenditure and satiety according to the types of food consumed. Dr. Idz's explanation is therefore scientifically sound, because energy balance only applies to the nutrients our digestive system is capable of breaking down and converting into usable energy. Attempting to discredit this principle with non-metabolizable matter is simply a biological confusion.
overstated7,868 likes · instagram
Excessive consumption of fresh fruit causes fat accumulation in the liver (hepatic steatosis) due to its fructose content.
It is accurate that fructose consumed in excess, particularly via free sugars in sugary drinks and juices, is metabolized by the liver where it can stimulate fat production, as shown by the meta-analysis of clinical trials by Chung et al. (2014). However, automatically attributing this effect to whole fruits is a major exaggeration. A meta-analysis of observational studies published in Frontiers in Nutrition (2024) points out, on the contrary, that fresh fruit consumption is generally associated with a neutral or reduced risk of hepatic fat accumulation. Whole fruits provide fiber that slows the assimilation of sugars, as well as water and protective antioxidants. There is no solid clinical evidence showing that eating whole fruits, even in abundance, causes a fatty liver in a healthy person. Only one 2022 randomized clinical trial observed an increase in hepatic biomarkers in subjects already ill who consumed massively more than 4 servings of fruit per day without controlling their total calories.
overstated5,857 likes · instagram
Consuming raw milk and steak daily is an optimal method for maximizing vitality and replenishing essential nutrients.
Steak and milk provide key nutrients such as complete proteins, iron, and calcium, which are essential for daily vitality. However, regarding daily steak consumption, observational studies conducted by the Harvard T.H. Chan School of Public Health associate the daily consumption of red meat with mixed impacts on long-term cardiovascular well-being. As for raw milk, the common perception is that it surpasses pasteurized milk in nutrients and active enzymes. Yet, a meta-analysis by Macdonald et al. (2011) published in the *Journal of Food Protection* shows that pasteurization does not significantly degrade the overall nutritional quality of milk. Furthermore, observational data from health safety agencies highlight that the absence of heat treatment exposes consumers to undesirable bacteria without providing any measurable additional wellness benefits. Prioritizing one's health with this daily duo therefore appears to be based on largely overstated promises.
holds up5,391 likes · instagram
The aspartame found in diet beverages and foods does not cause cancer at doses typically consumed by humans, rendering concerns regarding this subject unfounded.
Dr. Idz challenges the notion that aspartame is carcinogenic, a position that is robust and aligned with current scientific consensus. In 2023, the WHO and FAO Joint Expert Committee on Food Additives (JECFA) re-evaluated safety data and reaffirmed that the acceptable daily intake remains entirely safe, which is equivalent to a daily consumption of diet beverages that is humanly unrealistic (expert opinion based on systematic reviews). At the same time, the International Agency for Research on Cancer (IARC) classified aspartame as 'possibly carcinogenic,' but this category indicates a very low level of scientific evidence and not a proven danger at usual doses. Public concern primarily stems from observational studies, such as the French NutriNet-Santé cohort, which suggest weak associations without being able to prove a causal link. Global regulatory authorities, such as the EFSA in Europe and the FDA in the United States, agree that moderate consumption of aspartame is safe for general well-being. This creator's assertion is therefore entirely accurate and validated by research.
more nuanced5,013 likes · instagram
Be wary of fruit smoothies because, despite their healthy image, they may not be as beneficial for weight management and well-being as is commonly thought.
Smoothies are often presented as false healthy alternatives due to their sugar content and liquid form, but the scientific reality is more nuanced. Regarding satiety, the argument holds: a randomized controlled trial (RCT) by Rogers & Shahrokni (2018) shows that consuming fruit in solid form is more satiating than in smoothie form, as the lack of mastication accelerates gastric emptying. On the other hand, claiming that blending systematically destroys fiber and generates severe glycemic spikes is an exaggeration. An RCT by Crummet and Grooso (2022) published in the journal Nutrients even revealed that blending certain fruits (apples and blackberries) resulted in a lower postprandial glycemic response than eating them whole, likely due to the release of fiber and nutrients from the crushed seeds. Furthermore, a 2026 observational study published in Frontiers in Nutrition associates the consumption of whole-fruit smoothies with good overall well-being profiles, unlike traditional fruit juices. There is no evidence that homemade smoothies without added sugars harm energy balance if consumed as part of an active lifestyle.
not proven yet4,514 likes · instagram
Traditional Inuit suffered from no chronic diseases.
The idea that traditional Inuit were completely free of chronic diseases, particularly cardiovascular disorders, is scientifically inaccurate. A CT scan imaging study published in 2019 in JAMA Network Open by the Horus Study Group analyzed 16th-century Greenlandic Inuit mummies. The researchers discovered clear signs of arterial plaque accumulation in three out of four adults, despite their traditional diet very rich in fish omega-3s. Furthermore, a research review conducted by the University of Ottawa (Fodor et al., 2014) refuted the hypothesis of a natural Inuit immunity against heart problems, showing historical rates of coronary disorders comparable to those of Western populations. Epidemiological data even indicate a historically high susceptibility to strokes within these communities. Thus, the claim of a total absence of chronic diseases in these people is not based on any solid scientific evidence and is contradicted by history.
holds up4,200 likes · instagram
Take an interest in his new scientific publication which studies, through the monitoring of the TwinsUK cohort, the impact of our sugar consumption on our emotional balance and long-term mental well-being.
Dr. Idz relies on his own observational study published in 2026 in the journal *Nutritional Psychiatry* to explore the link between sugary diets and dips in mood. This link is widely supported by science: a benchmark meta-analysis published in *Frontiers in Psychiatry* (2024), synthesizing data on more than 1.2 million individuals, confirms that high sugar intake is correlated with an increased risk of mood fluctuation. Other reputable cohort studies, such as the *Whitehall II* prospective study (2017), have also highlighted this negative temporal trajectory regarding our mental vitality. However, these studies based on cohort tracking (such as *TwinsUK*) remain observational in nature. They allow for the establishment of strong correlations, but do not constitute proof of direct and absolute causality. Randomized controlled trials (the most rigorous type of evidence) remain necessary to validate the exact impact of a targeted reduction in sugar on our serenity.
overstated4,068 likes · instagram
A diet high in protein is said to be severely harmful to health and to promote the onset or worsening of diseases.
The claim that protein causes illness is largely contradicted by science in healthy individuals. A meta-analysis of randomized controlled trials (RCTs) conducted by Santesso et al. (2012) demonstrates that high protein intakes instead promote weight loss, blood pressure regulation, and satiety, with no negative impact on the body. Furthermore, an RCT meta-analysis led by Devries et al. (2018) confirms that significant protein intakes do not impair kidney function in healthy adults in any way. The only important nuance concerns the source of these nutrients: certain observational studies link excessive consumption of processed red meat to cardiovascular risks, whereas fish and plant-based sources prove to be highly protective. Moreover, according to guidelines and expert group opinions, limiting protein is useful only for individuals who already have a diagnosed kidney sensitivity in order to protect their bodies. Stating without nuance that protein makes people sick is therefore an oversimplification that obscures its major benefits for vitality.
overstated3,724 likes · instagram
Consuming pomegranate or its juice can reduce arterial plaque by 30%.
This claim is primarily based on a pilot study by Aviram et al. (2004), which observed a reduction of up to 30% in arterial wall thickness in only 10 participants who consumed pomegranate juice daily for one year. However, this preliminary result must be strongly qualified due to the extremely small sample size and the absence of a rigorous double-blind protocol. Conversely, a randomized controlled clinical trial conducted by Davidson et al. (2009) on 289 volunteers showed no significant reduction in overall plaque after 18 months of consumption. While the precious antioxidants in pomegranates actively support vascular health and protect our lipids from oxidation, promising a one-third clearance of arteries using this fruit is a significant over-extrapolation. Pomegranate is an excellent daily ally for cardiac wellness, but it cannot perform this miracle on its own.
more nuanced3,246 likes · instagram
Salt (sodium) is allegedly not bad for the health of most people, and recommendations for a strict restriction of our total consumption are based on a lie.
The idea that the impact of salt on blood pressure varies by individual is well established: research such as the PURE observational study (published in the *New England Journal of Medicine*) reveals that a large portion of the population is naturally "salt-resistant." For these profiles, sodium remains an essential mineral for maintaining hydration and daily muscle tone, as the World Health Organization (WHO) notes in its expert reports. However, presenting salt reduction advice as a "lie" is a clear exaggeration. Meta-analyses of randomized controlled trials (such as those by the *Cochrane* collaboration) confirm that reducing salt intake helps stabilize overall blood pressure on a population level. Encouraging unlimited consumption is therefore delicate, as many people react strongly to sodium without knowing it. Finally, standard iodized table salt perfectly fulfills its role of mineral balance compared to exotic options (such as Celtic or pink salt) that are often oversold for their supposed miracle minerals.
holds up3,172 likes · instagram
Although certain foods (fiber, protein) naturally stimulate the production of GLP-1 (the satiety hormone), it is scientifically misleading to believe that they can replicate the effects of synthetic molecules for weight loss, because natural GLP-1 is produced in minute quantities and is eliminated by the body in just two minutes.
The ability of nutrients to stimulate the natural release of GLP-1 by intestinal cells is a well-documented physiological fact, notably in a literature review published in *Nutritional modulation of endogenous glucagon-like peptide-1 secretion*. Proteins, healthy fats, and soluble fibers do effectively activate this satiety hormone, as indicated by a landmark study conducted by Tolhurst et al. in the journal *Diabetes*. However, Dr. Idz's assertion that food cannot compete with synthetic molecules is scientifically accurate. A fundamental study published by Deacon et al. demonstrates that natural GLP-1 has a half-life of barely two minutes due to its rapid degradation by the enzyme DPP-4, whereas synthetic molecules are designed to persist in the body for several days. Furthermore, the natural concentration of the hormone after a meal is thousands of times lower than that obtained via synthetic means. Presenting foods as alternatives capable of mimicking synthetic solutions is therefore physiologically unrealistic, even though these dietary choices remain essential for regulating appetite on a daily basis.
holds up2,438 likes · tiktok
The argument that raw milk is completely safe on the grounds that some have consumed it for years without ever getting sick is an illusion of safety (comparable to driving without a seatbelt without having an accident); the absence of an individual incident does not negate the real risk of contamination.
Dr. Idz uses a scientifically rigorous analogy to distinguish personal anecdote from statistical reality. In terms of research, epidemiological data from the CDC (Centers for Disease Control and Prevention), based on observational studies, consistently show that raw milk is responsible for a disproportionate share of digestive infection outbreaks compared to pasteurized milk. Furthermore, a systematic review published in the Journal of Food Protection confirms that the consumption of unpasteurized milk significantly multiplies the risk of exposure to active bacteria such as Salmonella or E. coli. While some wellness proponents attribute superior enzymatic virtues to raw milk, analyses of the scientific literature indicate that modern thermal pasteurization does not significantly alter the overall nutritional qualities of milk. Thus, the creator's assertion is entirely accurate: not having fallen ill is an individual stroke of luck, not scientific proof of the product's safety.
holds up2,438 likes · tiktok
Raw milk presents a much higher risk of contamination than pasteurized milk, and claiming it is safe simply because one has never fallen ill is a logical fallacy comparable to driving without a seat belt.
The creator correctly highlights a risk assessment bias: the absence of an individual incident does not equate to the absence of danger. Regarding safety, institutions such as the CDC and the FDA agree, based on extensive epidemiological and observational data, that raw milk presents a significantly higher risk of microbiological contamination than pasteurized milk. For its part, the European Food Safety Authority (EFSA) confirms in its scientific opinions that pasteurization remains the safest method for eliminating unwanted microorganisms. Furthermore, systematic reviews of the scientific literature demonstrate that this heat treatment only very marginally alters the overall nutritional quality and the assimilation of minerals such as calcium. Although rare observational studies (such as the European GABRIELA study) suggest a correlation between the consumption of farm milk and a reduction in allergies in children, experts agree that these potential microbial benefits do not outweigh the risks of contamination. The seat belt analogy is therefore scientifically relevant to illustrate that a practice can remain statistically risky even if some individuals avoid harm.
holds up2,037 likes · tiktok
Avoid consuming your placenta (particularly in capsule form) after childbirth. Promises of restored energy, hormonal balance, or a reduction in baby blues are not supported by any solid scientific evidence, and this practice carries real risks of contamination and infection.
The creator's position is scientifically very solid and aligns with current data. A literature review published in the Archives of Women's Mental Health (analysis of observational studies) shows that no physical or psychological benefits of placentophagy are clinically proven in humans. Furthermore, the expert organization ACOG (expert opinion) confirms that the encapsulation process destroys the majority of the expected nutrients and hormones. Regarding safety, consuming these tissues exposes one to pathogens or accumulated toxins. The U.S. CDC (clinical case report) issued a warning after an infant was infected by bacteria transmitted via capsules consumed by its mother. To support postpartum recovery, traditional approaches such as nutrient-dense nutrition and targeted iron supplementation remain the safest options.
holds up2,036 likes · tiktok
You should not consume your placenta after childbirth (in capsule form or otherwise), as this practice offers no proven benefits for physical fitness or mood and carries risks of microbial transmission.
The creator's advice against placenta consumption is scientifically very solid. A literature review from Northwestern University (2015) analyzed existing studies, concluding that no benefit is proven for a mother's vitality or mood. Furthermore, an expert opinion published in the American Journal of Obstetrics and Gynecology (2018) confirms that encapsulation does not preserve nutrients and hormones in useful quantities. Regarding risks, a case report from the U.S. CDC (2017) revealed the transmission of microbes to a baby via contaminated capsules consumed by the mother. The lack of quality randomized clinical trials (RCTs) leaves promises of hormone regulation without any scientific foundation. Finally, without official manufacturing controls, these capsules may contain impurities accumulated by this filtering organ. Prioritizing a balanced diet and gentle support remains the best approach to recharging after birth.
holds up2,035 likes · tiktok
Eating or encapsulating one's placenta after childbirth offers no validated benefits for vitality, mood, or breastfeeding, and poses risks of infection or toxicity due to a lack of regulation; it is therefore recommended to abstain from this practice and to prioritize proven postpartum recovery solutions such as balanced nutrition.
The creator's position aligns perfectly with the current scientific consensus on postpartum well-being. A major literature review published by Alex Farr and colleagues confirms that no physical or emotional benefit of placenta consumption has been validated in humans, as nutrients and hormones are not preserved in useful quantities after dehydration. Regarding risks, the alert issued by the Centers for Disease Control and Prevention (CDC) is based on an actual case study where a newborn developed a bacterial infection following the mother's consumption of contaminated capsules. To qualify the extent of this danger, a large-scale observational study published in the journal Birth (Benyshek et al., 2018) shows that this practice does not lead to a statistically significant overall increase in infant hospitalizations. However, in the absence of randomized controlled trials (RCTs) proving any efficacy for fatigue or mood, and given the total lack of manufacturing standards, abstaining remains the most prudent decision. To optimize your recovery after birth, favor proven approaches such as targeted nutrition or conventional iron supplements under medical supervision.