Topic

Health & medicine

Medical, wellness and disease claims tested against clinical evidence, biological mechanism, dose, risk and study quality.

Health claims can cause direct harm when plausible stories substitute for evidence. We separate biological possibility from demonstrated clinical benefit, track absolute as well as relative risk, and distinguish laboratory findings from outcomes that matter to people.

Investigations

Claims in this topic

97
Contradicted Reviewed Oct 15, 2026

Is 'left-handed' natural vitamin C different from 'right-handed' synthetic vitamin C?

The viral terminology mixes different stereochemical naming systems. Biologically active vitamin C is L-ascorbic acid, but the L designation does not mean that it rotates polarized light to the left: L-ascorbic acid is dextrorotatory, with positive optical rotation. Synthetic and food-derived L-ascorbic acid are chemically identical, and human studies generally find no clinically meaningful difference in bioavailability.

Unsupported Reviewed Oct 15, 2026

Do pharmaceutical companies suppress inexpensive universal cures because chronic treatment is more profitable?

Drug pricing, conflicts of interest and commercial incentives are real issues, but they do not establish that a known universal cure exists and is being suppressed. Cancer and other major diseases are biologically heterogeneous, and publicly funded research programs openly test treatments that are not dependent on a single company's business model.

Unsupported Reviewed Oct 14, 2026

Is 'dirty electricity' a major proven cause of chronic disease?

High-frequency voltage transients on electrical wiring are real and measurable, but the claim that they are an established major cause of chronic disease is not supported by the current human evidence. Reviews have found inconsistent exposure definitions, weak or nonblinded designs and limited replication. The electrical phenomenon should be distinguished from the much stronger health-causation claim.

Unsupported Reviewed Oct 14, 2026

Does freezing and thawing water make it healthier by 'structuring' it?

Freezing forms real ice crystals, but melted drinking water returns to a rapidly changing hydrogen-bond network. No verified evidence establishes a durable molecular architecture produced by simple freeze–thaw treatment, or health benefits attributable to one. A positive 2025 cell experiment on a different proprietary water product is relevant context, not a test of freeze–thaw water.

Unsupported Reviewed Oct 12, 2026

Do 432 Hz or 528 Hz have unique healing effects?

Music can affect stress, mood and physiology, and several small trials have reported differences between music tuned to 432 Hz and comparison tunings. But the frequency-specific literature is limited and heterogeneous, and it does not establish 432 Hz, 528 Hz or another tuning as a uniquely privileged biological frequency that broadly heals disease.

Unsupported Reviewed Oct 12, 2026

Do scalar-energy devices deliver a special medically useful form of energy?

Scalar quantities and scalar fields are legitimate concepts in mathematics and physics, but that terminology does not validate commercial 'scalar energy' as a distinct transferable healing energy. Some products marketed this way emit ordinary measurable radiation from radioactive minerals, while evidence for the advertised special mechanism or broad health benefits is lacking.

Unsupported Reviewed Oct 11, 2026

Do blood-type diets improve health because foods are matched to a person's blood group?

Dietary patterns marketed for particular blood types can be nutritious, but available research has not demonstrated benefits caused by an ABO-specific food match. The 1,455-person 2014 study was observational—not a diet intervention—and a 2021 analysis of 68 participants in a vegan-diet intervention found no meaningful ABO-associated response difference. Neither is a randomized direct test of all matched versus mismatched ABO diets.

Contradicted Reviewed Oct 11, 2026

Are genetically modified foods inherently dangerous to human health?

Genetic engineering does not constitute one shared toxic exposure. Original European feeding studies of the specific MON810 and NK603 maize events did not find diet-attributable toxicity under their tested conditions, while a contested earlier positive rat report and plausible trait-specific hazards warrant critical assessment. Evidence does not support inherent danger of commercially evaluated engineered crops as a category; no study guarantees safety for every future trait.

Contradicted Reviewed Oct 11, 2026

Is iodized salt unhealthy or toxic because iodine is artificially added?

Iodine is essential and appropriately monitored iodization prevents deficiency, but excessive total iodine intake can worsen thyroid disease in susceptible populations. A 2025 review reports possible thyroid autoimmunity concerns in insufficiently monitored programs; WHO prevention trials did not consistently report adverse outcomes. Added origin alone does not make salt toxic.

Contradicted Reviewed Oct 11, 2026

Is monosodium glutamate (MSG) inherently toxic and a common cause of serious neurological harm?

Human blinded MSG challenge studies do not establish that ordinary dietary MSG causes frequent or lasting serious neurological injury. Yet high-dose MSG given without food can elicit inconsistent self-reported symptoms, and EFSA set an acceptable daily intake for added glutamates and identified some exposure scenarios above it. The distinction is dose, endpoint and certainty—not blanket harmlessness.

Contradicted Reviewed Oct 11, 2026

Are natural ingredients generally safer than synthetic ones simply because they are natural?

Natural origin does not predict safety by itself. Aflatoxins are naturally produced carcinogenic hazards, and processed or synthetic materials may differ in measurable impurities, exposure and dose. Broad population-level comparisons of all natural and synthetic ingredients are not sufficiently homogeneous to justify a high-certainty universal ranking.

Misleading Reviewed Oct 11, 2026

Are seed oils broadly toxic industrial poisons at normal dietary intake?

The blanket claim that ordinary seed-oil intake constitutes industrial poisoning is unsupported, but a blanket dismissal of adverse clinical findings is also unjustified. A recovered randomized Sydney trial reported higher mortality after a particular high-linoleic-acid safflower-oil intervention in coronary patients; a larger trial reanalysis found no mortality benefit, while a Cochrane review of omega-6 trials found no clear overall mortality effect. Oils, comparators and cooking conditions matter.

Mostly supported Reviewed Oct 10, 2026

Does acupuncture relieve chronic pain beyond sham treatment?

Large individual-patient-data meta-analyses find acupuncture superior to both sham acupuncture and no-acupuncture controls for several chronic pain conditions. The specific benefit over sham is modest—around 0.2 standard deviations—but reproducible, with responder analyses also showing an incremental benefit. The claim is mostly supported, while large traditional-mechanism claims are separate questions.

Inconclusive Reviewed Oct 10, 2026

Do aluminum-containing antiperspirants increase breast-cancer risk?

Aluminum salts can interact with biology and aluminum has been measured in breast tissue, so the proposed mechanism is not meaningless. Epidemiologic evidence, however, is limited and conflicting: a large 2002 case-control study found no increased risk, while a smaller 2017 study reported an association in a very high-use subgroup and higher tissue aluminum in cases. A 2023 systematic review found inconsistent evidence, while a 2024 meta-analysis of seven case-control studies of antiperspirants or deodorants found no overall association (pooled odds ratio 0.96, 95% confidence interval 0.78–1.17; substantial heterogeneity). The pooled exposure was not restricted to aluminum salts and the studies were retrospective. A causal increase in breast-cancer risk is therefore not established, but neither the pooled null result nor the high-use subgroup signal establishes certainty.

Contradicted Reviewed Oct 10, 2026

Can amygdalin or laetrile treat cancer?

Amygdalin and laetrile can show biological activity in laboratory systems, but the best direct human evidence does not show a meaningful cancer-treatment benefit. A 178-patient clinical study found no substantive improvement in tumour control, symptoms or survival, while oral exposure can generate cyanide. The treatment claim is contradicted by the available clinical evidence.

Unsupported Reviewed Oct 10, 2026

Do detox foot pads pull toxins and heavy metals out through the feet?

No trustworthy clinical evidence shows that detox foot pads extract toxins or heavy metals through the feet. The darkening of a used pad is not a validated measure of bodily toxin removal, and marketers of Kinoki foot pads were charged by the U.S. Federal Trade Commission for false or unsupported detox and disease-treatment claims. The mechanism and claimed outcomes remain unsupported.

Unsupported Reviewed Oct 10, 2026

Does drinking your own urine provide health benefits?

Urine therapy has a long cultural history, and urine contains many measurable metabolites and biologically active compounds. But historical use, chemical content and urine-derived pharmaceuticals do not establish benefits from drinking whole autologous urine. Credible controlled human efficacy evidence is extremely sparse, so the broad therapeutic claim is unsupported.

Contradicted Reviewed Oct 10, 2026

Can eliminating dietary sugar starve cancer?

Many tumours use glucose heavily, but eliminating dietary sugar does not eliminate glucose from the blood, and cancers can use multiple metabolic fuels. Ketogenic and metabolic diets remain legitimate research topics, yet current randomized evidence does not show that removing dietary sugar starves or cures cancer. The strong claim is contradicted.

Unsupported Reviewed Oct 10, 2026

Can foot reflexology treat organs through mapped reflex zones?

Some small trials report acute physiological changes after stimulation of foot zones assigned to particular organs, but systematic reviews find little convincing evidence that these effects are specific to the mapped zones or translate into organ-specific therapeutic benefit. Broader symptom relief from massage or relaxation is a separate question.

Unsupported Reviewed Oct 10, 2026

Do herbal parasite cleanses reliably eliminate intestinal parasites?

Some plants do have measurable antiparasitic activity, and small human studies—including papaya-seed interventions—have reported reductions in intestinal parasites. But a 2023 systematic review found that most plant evidence is in vitro or experimental and only a few randomized human trials exist. Commercial multi-herb 'parasite cleanses' are not interchangeable with tested preparations, and reliable treatment depends on the parasite, diagnosis, dose and safety profile.

Unsupported Reviewed Oct 10, 2026

Do most people with bloating, fatigue or skin symptoms have hidden intestinal parasites?

Parasitic infections are common in many endemic regions and can be asymptomatic or produce nonspecific gastrointestinal, skin or systemic symptoms. But risk is strongly shaped by geography, sanitation, travel, food, water and exposure, and major public-health guidance does not support assuming that most people with ordinary nonspecific symptoms have parasites. Diagnosis is based on exposure context and appropriate stool, blood or other testing.

Contradicted Reviewed Oct 10, 2026

Is high-dose intravenous vitamin C a proven stand-alone cancer cure?

Intravenous vitamin C reaches pharmacological blood concentrations that oral dosing cannot, and modern trials provide legitimate evidence of biological activity and possible benefit in selected cancers when added to standard therapy. A small randomized phase II pancreatic-cancer trial reported longer survival, while a randomized prostate-cancer trial found no benefit. These data do not establish vitamin C as a stand-alone cure, a universal cancer treatment or a replacement for evidence-based oncology.

Unsupported Reviewed Oct 10, 2026

Do homeopathic remedies work beyond placebo?

Some placebo-controlled homeopathy trials and meta-analyses show positive statistical signals. But their heterogeneous conditions, methodological uncertainty and lack of dependable indication-specific replication do not establish clinically meaningful effects of the remedies themselves. A 2024 independent evidence assessment found only low-certainty signals for two particular outcomes. The affirmative treatment claim remains unsupported.

Misleading Reviewed Oct 10, 2026

Does the immune system repeatedly eliminate cancers before they are detected?

The immune system can restrain and eliminate malignant cells, and cancer immunoediting is experimentally established. But common driver-mutant cells are not automatically cancers, and there is no reliable count showing that every person repeatedly develops fully malignant tumors that immune defenses eradicate. Other cellular and tissue mechanisms can also prevent early lesions from progressing.

Contradicted Reviewed Oct 10, 2026

Can iridology diagnose internal disease from iris patterns?

Controlled diagnostic studies repeatedly find iridology performs at or near chance, and a recent government-commissioned evidence review found low-certainty evidence that manual iridology cannot accurately distinguish several tested diseases. Genuine ocular signs of systemic disease do not validate iridology's organ maps.

Contradicted Reviewed Oct 10, 2026

Does ivermectin reduce hospitalization or death from COVID-19?

Early observational and small-study signals justified randomized testing, but larger randomized trials, trustworthiness-screened systematic reviews and a later meta-analysis of randomized controlled trials (RCTs) do not show a meaningful reduction in hospitalization or mortality.

Misleading Reviewed Oct 10, 2026

Do mineralizing stones make drinking water meaningfully healthier?

Some mineral media and natural ores really can release calcium, magnesium and other ions into water, and mineral-rich water can contribute useful, bioavailable amounts of calcium or magnesium. But release varies dramatically by material, dose, contact time and source water, and evidence that generic loose 'mineralizing stones' reliably deliver nutritionally meaningful doses or broad clinical benefits is lacking. The blanket health claim is therefore misleading rather than purely fictional.

Supported Reviewed Oct 10, 2026

Did phrenology contribute to the modern idea of brain localization?

Gall's cranial-reading system was not validated, but historians of neuroscience consistently credit his organology with making cerebral localization a major scientific hypothesis. Later researchers such as Bouillaud, Broca, Fritsch and Hitzig replaced phrenological inference with lesion, clinical and experimental evidence. A false theory can still contain historically productive ideas.

Unsupported Reviewed Oct 10, 2026

Does Reiki work beyond placebo through healing energy?

Some sham-controlled Reiki trials and reviews report improvements in stress, anxiety, depression or other outcomes, so the clinical literature is not uniformly negative. But study numbers are small, risk of bias and sham design remain important, and symptom improvement does not demonstrate transfer of a distinct healing energy. The full causal claim is unsupported.

Unsupported Reviewed Oct 10, 2026

Was SARS-CoV-2 deliberately genetically engineered?

Coronavirus engineering is technically possible and several genomic features have motivated laboratory-origin arguments, but current evidence does not identify a verified engineered precursor, construct or diagnostic manipulation signature for SARS-CoV-2.

Misleading Reviewed Oct 10, 2026

Does sweating or sauna meaningfully detoxify the body?

Sweat can contain measurable metals and environmental chemicals, so saying that the skin excretes none of them would be wrong. The harder question is whether induced sweating removes enough to lower body burden or improve health. Current physiology and clinical evidence do not establish a meaningful general detox effect; the claim is misleading.

Misleading Reviewed Oct 10, 2026

Do 'superfoods' have unique detoxifying or disease-preventing powers?

Foods marketed as superfoods can be nutrient-dense and some have measurable effects on specific risk markers, but 'superfood' has no standard scientific definition. Evidence does not show that a small set of branded foods has unique detoxifying or disease-preventing powers unavailable from a varied diet containing other fruits, vegetables, legumes, nuts, seeds and whole foods.

Contradicted Reviewed Oct 10, 2026

Can Therapeutic Touch practitioners detect and manipulate a human biofield?

Therapeutic Touch explicitly depends on practitioners sensing and altering a field around the body. In a direct blinded JAMA test, experienced practitioners identified the investigator's unseen hand correctly in 44% of 280 trials—no better than chance. Clinical trials are heterogeneous and sometimes positive, but do not establish reliable field detection or manipulation. The full claim is contradicted.

Unsupported Reviewed Oct 9, 2026

Do 5G mobile networks cause cancer?

5G uses non-ionizing radiofrequency (RF) fields, but that does not by itself settle long-term cancer risk. Direct 5G-specific cancer epidemiology is still immature, broader human RF evidence has not shown increased risk for the best-studied tumours, and positive animal findings remain important but methodologically disputed. Ordinary 5G exposure has not been shown to cause cancer.

Contradicted Reviewed Oct 9, 2026

Should activated charcoal be used routinely as a general detox supplement?

Activated charcoal has a real medical role in selected acute poisonings because it can adsorb certain substances still present in the gastrointestinal tract. That mechanism does not make it a routine whole-body detox supplement. It does not bind every poison, works best only in specific circumstances, and can interfere with medications or cause complications.

Contradicted Reviewed Oct 9, 2026

Is adrenal fatigue a medically established cause of common fatigue symptoms?

Fatigue, poor sleep and stress-related symptoms are real, but systematic review and endocrine guidance do not support 'adrenal fatigue' as a validated diagnosis or show that ordinary chronic stress exhausts otherwise normal adrenal glands. Recognized adrenal insufficiency is a different condition with defined causes and diagnostic tests.

Unsupported Reviewed Oct 9, 2026

Does aspartame cause cancer in humans at ordinary approved dietary exposures?

The cancer evidence is not cleanly binary. The International Agency for Research on Cancer (IARC) classified aspartame as Group 2B, 'possibly carcinogenic to humans,' based on limited evidence, while the Joint FAO/WHO Expert Committee on Food Additives (JECFA) retained an acceptable daily intake of 0–40 mg/kg body weight because the evidence did not justify changing its risk assessment. A 2026 prospective cohort reported modest cancer associations without a clear dose-response. The claim that ordinary approved exposure is established to cause cancer is therefore not supported, but uncertainty remains.

Misleading Reviewed Oct 9, 2026

Does baking soda cure cancer by alkalizing the body or tumors?

Tumor acidity is a real research target, and bicarbonate has shown effects in animal models and route-specific early clinical work. That does not establish that drinking household baking soda alkalizes the body or cures cancer. Blood pH, urine pH, tumor extracellular pH and local bicarbonate delivery are different biological questions.

Unsupported Reviewed Oct 9, 2026

Can bioresonance reliably diagnose and treat disease through body frequencies?

Blinded studies of electrodermal and bioresonance-style allergy testing have failed to show reliable diagnostic discrimination, and a controlled atopic-dermatitis trial found no added treatment benefit. Some small trials in other conditions report positive outcomes, but they do not validate a general disease-frequency diagnostic or correction mechanism.

Unsupported Reviewed Oct 9, 2026

Do Bluetooth devices cause cancer because they emit radiofrequency radiation?

Bluetooth uses non-ionizing radiofrequency energy, usually at much lower transmit power than a mobile phone. Human cancer evidence for common radiofrequency (RF) exposures does not show the consistent increased risks predicted by the claim, but long-term Bluetooth-specific epidemiology is limited. The evidence therefore does not establish Bluetooth as a cancer cause, while avoiding the stronger claim that zero risk has been proved.

Unsupported Reviewed Oct 9, 2026

Does repeated cold exposure broadly prevent infections by boosting immunity?

Cold exposure causes real stress, inflammatory and circulatory responses, but evidence that it broadly prevents infections is limited. A large cold-shower trial reduced sickness absence without reducing illness days, and a 2025 systematic review found no clear pooled immediate immune-function benefit. Immune biomarkers, feeling resilient and actually having fewer infections are different outcomes.

Unsupported Reviewed Oct 9, 2026

Does cupping pull toxins out of the body?

The circular marks after dry or wet cupping reflect local tissue and vascular responses, not a validated measure of toxin removal. Three small, uncontrolled studies of wet cupping have measured changes in venous heavy-metal concentrations, so the narrow biochemical evidence is real. Yet none establishes selective whole-body clearance, superiority over no treatment, or improved clinical outcomes; pain effects are a separate question.

Contradicted Reviewed Oct 9, 2026

Does ear candling remove earwax, toxins or pressure through suction?

Bench and clinical testing found that ear candles did not generate meaningful negative pressure and did not remove earwax; candle wax could instead be deposited into the ear. The visible residue inside a burned candle is therefore not reliable evidence that material was extracted from the ear.

Contradicted Reviewed Oct 9, 2026

Are electromagnetic hypersensitivity symptoms reliably caused by electromagnetic fields under blinded exposure?

People reporting electromagnetic hypersensitivity can experience real and sometimes disabling symptoms. The causal question is separate: blinded provocation studies have generally not found that participants can detect actual RF exposure better than chance or that below-limit exposure reliably produces more symptoms than sham exposure. The strongest recent systematic review addresses mainly acute exposure and does not settle every possible long-term hypothesis.

Unsupported Reviewed Oct 9, 2026

Do electromagnetic-field (EMF) stickers reduce radiofrequency exposure, harmonize it, or prevent illness?

Three marketing promises require separate checks: measurable reduction of user-relevant RF exposure, an operationally defined change called harmonization, and demonstrated prevention of illness. Tested commercial shields have often not reduced the measured RF/SAR endpoint; engineered shielding can work in specified geometry. A 2007 report on one paramagnetic disc remains abstract-only and does not establish clinical protection.

Misleading Reviewed Oct 9, 2026

Does fluoride calcify the pineal gland and suppress cognition?

A small 2001 study of 11 aged cadavers found substantial fluoride in pineal tissue and a positive correlation between pineal fluoride and calcium, so claims that fluoride can occur in calcified pineal tissue have a real empirical basis. The study did not show that fluoride caused pineal calcification, impaired pineal function or reduced cognition. Separately, current systematic reviews report an association between higher fluoride exposure and lower childhood IQ, while evidence at drinking-water concentrations relevant to 0.7 mg/L community fluoridation remains limited and disputed. Neither line of evidence establishes a pineal-mediated cognitive effect or an intentional population-control program.

Misleading Reviewed Oct 9, 2026

Are green lumps passed after liver flushes actual gallstones?

Soft green lumps passed after oil-and-citrus liver flushes are often presented as gallstones that were already inside the gallbladder. Direct chemical examination and ingredient-reconstruction evidence show that characteristic lumps can form from flush ingredients rather than represent pre-existing biliary stones. Ultrasound-measured stone clearance and claims about unnamed toxins are different endpoints.

Contradicted Reviewed Oct 9, 2026

Does German New Medicine correctly explain cancer and disease through psychological conflicts?

Stress and psychological state can affect health, symptoms and behavior, but German New Medicine's specific conflict-to-organ laws are not supported by modern cancer biology or validated clinical evidence. Treating its universal mapping as a replacement for diagnosis and evidence-based care can therefore misattribute disease and delay treatment.

Contradicted Reviewed Oct 9, 2026

Is gluten unhealthy for everyone?

Gluten avoidance is medically necessary for celiac disease and relevant to several other diagnosed conditions, but evidence does not show that gluten is inherently harmful to everyone. Some people without celiac disease report reproducible symptoms, yet blinded challenge studies suggest that gluten itself is not always the trigger and other wheat components can contribute.

Unsupported Reviewed Oct 9, 2026

Does grounding or earthing treat inflammation and chronic disease?

Grounding changes the body's electrical potential relative to Earth, so the intervention has a real physical effect. Small studies have reported changes in sleep, pain, blood measures and recovery, including sham-controlled experiments. But the clinical literature is small and pilot-scale, several influential papers have commercial or advocacy ties to grounding companies, and independent replication is limited. The proposed free-electron mechanism has not been established as a general therapeutic pathway.

Unsupported Reviewed Oct 9, 2026

Does homeopathy work because water remembers substances that were diluted away?

Some homeopathic preparations are diluted beyond the point where molecules of the starting substance are expected to remain. Proposed water-memory mechanisms and some laboratory studies claim persistent differences, and a 2023 review of homeopathy meta-analyses reported effects beyond placebo. But a reproducible molecular memory mechanism linking an absent solute to specific clinical effects has not been established, and condition-specific evidence remains inconsistent and often limited.

Contradicted Reviewed Oct 9, 2026

Does hyperventilation oxygenate the body because more breathing means more oxygen delivery?

In a normally oxygenated person, hemoglobin is already close to saturated. Hyperventilation mainly lowers carbon dioxide, which can constrict cerebral blood vessels and shift oxygen binding rather than simply increasing tissue oxygen delivery. Breathwork may have other psychological or autonomic effects, but the 'more breathing equals more tissue oxygen' mechanism is misleading.

Unsupported Reviewed Oct 9, 2026

Do mRNA vaccines alter or permanently integrate into human DNA?

A laboratory study showed that vaccine-derived ribonucleic acid (RNA) can be reverse-transcribed into deoxyribonucleic acid (DNA) in a liver cancer cell line under in-vitro conditions. That is not the same as stable chromosomal integration in vaccinated people. No direct human evidence currently shows that mRNA vaccination permanently rewrites the recipient genome.

Contradicted Reviewed Oct 9, 2026

Is raw milk inherently healthier and safe because pasteurization destroys its benefits?

Pasteurization changes some heat-sensitive components, but it does not remove the major nutritional value of milk. Raw milk can carry pathogens including Campylobacter, Salmonella, E. coli and Listeria even when produced on well-managed farms. The evidence does not support treating the small compositional differences as a net health advantage that outweighs the infectious risk.

Unsupported Reviewed Oct 9, 2026

Can Rife or frequency generators cure cancer or infections?

Electromagnetic energy has legitimate medical uses, and a small uncontrolled oncology study reported responses using tumor-specific amplitude-modulated frequencies. That is not equivalent to validating Royal Rife's historical machines or a general disease-frequency cure. Reliable controlled evidence for Rife devices as cancer or infection cures remains lacking.

Unsupported Reviewed Oct 9, 2026

Do smart meters cause cancer or recurring headaches through radiofrequency (RF) emissions?

Smart-meter emissions must be assessed for two different endpoints: cancer incidence and recurring headaches in nearby residents. Original meter studies measure radiofrequency (RF) exposure and variable transmission duty cycles, not diagnosed cancer or headache causation. Neither clinical claim has been established by the reviewed record; evidence quality for typical emissions is more direct than for either health outcome.

Misleading Reviewed Oct 9, 2026

Do vaccines commonly cause lasting infertility?

Research into natural conception and assisted reproduction does not establish that vaccination commonly causes persistent infertility. Some inactivated-COVID-19-vaccine frozen-transfer cohorts report conflicting live-birth associations, including a concerning 2025 result requiring replication. Temporary menstrual changes and selected embryo-transfer outcomes are not measures of lasting population infertility.

Unsupported Reviewed Oct 9, 2026

Does normal household Wi-Fi exposure cause cancer?

Typical household Wi-Fi exposure is low, and human radiofrequency (RF) studies have not shown increased risk for the best-studied cancers. Experimental-animal evidence includes tumour findings, but the strength of that evidence and its translation to human household Wi-Fi are disputed. Cancer from normal household Wi-Fi exposure has not been demonstrated.

Unsupported Reviewed Oct 9, 2026

Is the Wim Hof Method a proven general treatment for disease?

The Wim Hof Method has produced measurable physiological effects in small controlled studies. A 2014 randomized endotoxemia experiment showed that trained healthy volunteers could increase epinephrine and alter inflammatory cytokine responses. A 2024 systematic review found promising inflammatory signals, but also judged the underlying studies very low quality, small, heterogeneous and at very high risk of bias. That is not equivalent to proving treatment efficacy across diseases, and cold-water exposure has real safety risks.

Unsupported Reviewed Oct 9, 2026

Do Bluetooth earbuds expose the head to stronger radiofrequency (RF) fields than phones—and cause brain tumours?

Two different claims need different tests: whether Bluetooth headsets produce more external radiofrequency (RF) power density than an active phone at the ear, and whether earbud RF causes brain tumours. A historical 2019 comparison measured lower headset external power density in tested configurations, not brain specific absorption rate (SAR); no causal brain-tumour result was established. A 2024 thyroid-nodule survey does not measure brain cancer.

Misleading Reviewed Oct 8, 2026

Does a 72-hour fast reset or regenerate the immune system?

The popular '72-hour immune reset' claim traces to legitimate research on prolonged fasting, insulin-like growth factor 1 (IGF-1) and protein kinase A (PKA) signaling, and hematopoietic stem cells. The strongest regeneration findings were primarily in mice, with limited preliminary human observations in people undergoing chemotherapy. Translating that work into a generalized claim that a three-day fast resets the human immune system substantially overstates the evidence.

Inconclusive Reviewed Oct 8, 2026

Do acupuncture points have unique anatomical or biophysical properties?

Some studies find reduced skin impedance or site-dependent neural responses, but controlled measurements often fail to distinguish points reliably or consistently. A point can lie near an ordinary nerve or fascial plane without being a unique tissue structure. The evidence for a generalizable distinctive point signature is inconclusive.

Inconclusive Reviewed Oct 8, 2026

Does apple cider vinegar cause meaningful weight or body-fat loss?

Some randomized trials and meta-analyses report modest weight or body-composition effects from vinegar, but the evidence is unstable. A widely publicized 2024 trial reporting unusually large losses was retracted in 2025 after the analyses could not be reproduced and the dataset showed patterns inconsistent with random allocation. Earlier trials suggest a possible small effect, but clinically meaningful weight loss specifically attributable to apple cider vinegar is not securely established.

Unsupported Reviewed Oct 8, 2026

Have commercial detox products been shown to remove harmful substances?

Commercial detox marketing often promises removal of harmful substances beyond normal liver and kidney clearance. To establish that benefit, a trial must identify the toxicant, measure baseline burden and compare a named product against an appropriate control with meaningful elimination outcomes. Existing product research reports selected biomarkers, not consistent proof of broad toxin elimination; medically indicated treatment of actual poisonings is a separate question.

Misleading Reviewed Oct 8, 2026

Does high dietary sugar intake directly cause cancer?

Sugar-rich diets can matter for cancer risk, especially through excess energy intake and body fatness, and newer cohort syntheses report associations between sugar-sweetened beverages and some cancers. But that does not establish a universal direct carcinogenic effect of dietary sugar independent of obesity and metabolic pathways. The broad claim is misleading.

Unsupported Reviewed Oct 8, 2026

Does electrohomeopathy work beyond placebo?

Electrohomeopathy is a historical plant-based therapeutic system distinct from electrical therapy and classical homeopathy. Some preparations and constituent plants show laboratory or preclinical activity, but the human evidence is predominantly observational, poorly standardized and lacks a convincing controlled clinical base. The treatment claim is unsupported.

Inconclusive Reviewed Oct 8, 2026

Does fasting alongside cancer treatment slow tumor growth or progression?

Adjunctive fasting and fasting-mimicking diets have real clinical research behind them. Randomized breast-cancer trials have reported encouraging radiologic or pathological response signals during chemotherapy. But the human literature remains small, heterogeneous and concentrated in breast cancer, and systematic reviews do not yet establish a general improvement in cancer progression or treatment efficacy. The evidence is promising but inconclusive.

Unsupported Reviewed Oct 8, 2026

Does intermittent or periodic fasting extend human lifespan?

Fasting affects nutrient-sensing pathways, metabolic risk factors and aging-related markers, and several animal models show lifespan effects. Human trials, however, are far too short to demonstrate longer life, and current reviews explicitly distinguish healthspan or biomarker improvements from proven human longevity. The claim remains unsupported in humans.

Unsupported Reviewed Oct 8, 2026

Does fasting improve human health through autophagy?

Fasting can alter autophagy-related signaling and, in a small recent human trial, peripheral-blood-cell autophagic flux. But human responses are tissue-specific, common marker measurements are not the same as flux, and current trials do not show that autophagy mediates clinically meaningful disease prevention or treatment. The mechanistic chain is plausible but the clinical claim is not established.

Unsupported Reviewed Oct 8, 2026

Can prolonged fasting alone treat or cure cancer?

Fasting and fasting-mimicking diets are legitimate oncology research topics, but human studies almost exclusively examine them alongside chemotherapy or other standard care. Preclinical models show antitumor mechanisms and treatment sensitization; small human trials study feasibility, toxicity and adjunctive response. No credible clinical evidence establishes prolonged fasting alone as a curative or adequate stand-alone cancer treatment.

Inconclusive Reviewed Oct 8, 2026

Does fasting provide metabolic benefits independent of calorie restriction and weight loss?

Some tightly controlled early time-restricted-feeding trials report improvements in insulin sensitivity, blood pressure or glucose variability without weight loss, suggesting that meal timing can matter independently of calorie deficit. Other isocaloric randomized trials find no added benefit, and a meta-analysis of energy-matched studies does not show overall superiority to continuous calorie restriction. The effect appears protocol-, timing- and population-dependent rather than a settled general property of fasting.

Contradicted Reviewed Oct 8, 2026

Do vaccines cause autism?

The vaccine-autism claim has been tested in large cohort studies, case-control studies, meta-analyses and evidence reviews. A 2019 Danish cohort of 657,461 children found no increased autism risk after measles–mumps–rubella (MMR) vaccination, including among children with elevated baseline risk, and a 2014 meta-analysis summing more than 1.2 million cohort study enrollments found no increased autism risk associated with vaccination, MMR, thimerosal or mercury exposure; overlap among contributing national cohorts means this is not a verified count of unique children. The 1998 paper that catalyzed the MMR claim was a 12-child case series, did not establish causation and was later retracted.

Unsupported Reviewed Oct 8, 2026

Are vaccination programs designed to make children chronically ill for later profit?

Vaccines can cause adverse events, including some rare serious events, and vaccine safety evidence has real limitations that require continued surveillance. Those facts do not establish an intentional program to create chronic disease. A 2013 National Academies review found no evidence that the then-current U.S. childhood schedule was unsafe while also identifying research gaps; post-licensure systems such as VAERS and VSD are designed to detect and investigate safety signals. Neither that historical schedule review nor the surveillance systems prove every vaccine policy optimal, but no verified documentary, epidemiological or mechanistic evidence establishes the claimed design-for-chronic-illness scheme.

Contradicted Reviewed Oct 8, 2026

Do routine childhood vaccines contain hidden tracking microchips?

Vaccines are tracked as products through lot numbers, external barcodes, inventory systems and immunization records, but that is not the same as a hidden electronic device inside the dose. FDA ingredient information and current CDC vaccine-tracking documentation describe external product and record systems, not injectable trackers. The claim is contradicted by the physical and regulatory record.

Supported Reviewed Oct 8, 2026

Does vinegar reduce the post-meal rise in blood glucose?

Controlled trials and meta-analyses consistently find that vinegar taken with or shortly before a carbohydrate-containing meal lowers the postprandial glucose response on average. A 2017 meta-analysis found reduced glucose and insulin area under the curve, and a 2026 umbrella review estimated a post-meal glucose reduction of about 15 mg/dL with moderate-certainty evidence. This supports the narrow acute claim, not the stronger idea that vinegar is a stand-alone diabetes treatment.

Contradicted Reviewed Oct 7, 2026

Can the shape of your skull reveal personality or mental faculties?

Phrenology proposed that mental faculties were localized in brain organs whose development changed the overlying skull, allowing personality to be read from cranial shape. A modern MRI-based test using 5,724 UK Biobank participants found no meaningful support for phrenological associations and little relationship between local brain folding and scalp curvature. Modern brain localization does not validate skull reading.

Unsupported Reviewed Oct 2, 2026

Do healing crystals produce health effects through a special energy?

Quartz has real physical properties, including piezoelectricity, but those properties do not establish a free-standing biological healing field. In a 2025 randomized controlled study of 138 adults, rose quartz did not reduce anxiety beyond a visually matched placebo; improvement tracked prior belief rather than crystal assignment. Broader clinical evidence for crystal-specific health effects remains sparse.

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