491 claim verifications avg. score 4.3/10 135 rated true or mostly true 344 rated false or misleading
“Low testosterone is the primary cause of low libido in men.”
Low testosterone is a well-documented contributor to reduced libido, but no authoritative clinical source identifies it as the "primary" cause. Major medical references — including the Merck Manual, Mayo Clinic, Cleveland Clinic, and the Endocrine Society — consistently describe male libido as multifactorial, with psychological factors (depression, anxiety, relationship problems), medications, chronic conditions, and lifestyle factors frequently playing equal or greater roles. The claim conflates testosterone's important role with singular primacy, an assertion the clinical evidence does not support.
“AI companion applications can provide emotional benefits equivalent to those derived from real human relationships.”
The word "equivalent" does the heavy lifting in this claim — and the evidence does not support it. While peer-reviewed studies show AI companions can produce short-term loneliness reductions comparable to brief online human chats, these effects diminish over time and do not extend to the reciprocity, vulnerability, and sustained support that characterize real human relationships. Multiple longitudinal studies find heavier AI companion use is associated with worse outcomes, including emotional dependence and deepened loneliness.
“Maca root is scientifically proven to boost libido in humans.”
The phrase "scientifically proven" significantly overstates what the evidence actually shows. While several small randomized controlled trials have found statistically significant improvements in sexual desire with maca root, the systematic reviews synthesizing this research explicitly conclude the evidence is "too limited to draw firm conclusions." Positive findings are confined to specific subpopulations, sample sizes are small, and no large confirmatory trials exist — falling well short of the robust consensus implied by "proven."
“Zinc supplementation increases testosterone levels and improves sexual performance in men.”
Zinc supplementation can raise testosterone — but primarily in men who are already zinc-deficient, not men generally. The claim's universal framing omits this critical qualifier, which is consistently emphasized across the strongest peer-reviewed evidence, including a 2022 systematic review of 38 studies. The "sexual performance" sub-claim relies almost entirely on animal studies involving lead-exposed rats, with no robust human clinical trial demonstrating this benefit in typical men. A large multicenter human RCT found no reproductive improvement and even documented harm from zinc supplementation.
“Having sex at least once a week produces measurable improvements in physical and mental health outcomes.”
Weekly sexual activity is associated with some better mental health markers in certain populations, but the claim overstates the evidence by using causal language ("produces") when the research is largely observational and correlational. A major systematic review flags contradictory findings, confounding bias, and population-specific effects. Physical health benefits are inconsistently supported — some longitudinal data actually links higher sexual frequency to increased cardiovascular risk in older men. The evidence does not support a blanket causal claim across both physical and mental health.
“The bacterium Prevotella copri is classified as a pathogen.”
Prevotella copri is not formally classified as a pathogen by any authoritative taxonomic or regulatory body. The gold-standard bacterial nomenclature registry LPSN assigns it to Risk Group 1, meaning it is "unlikely to cause human disease." While certain strains have shown disease associations — particularly with rheumatoid arthritis — the scientific literature consistently describes P. copri as a commensal or "pathobiont" with strain-dependent effects, not a pathogen. The claim conflates pathogenic potential in specific contexts with a formal species-wide classification that does not exist.
“New archaeological findings indicate that Mohenjo-daro is older than previously established dating estimates.”
Recent media reports do cite 2025–2026 radiocarbon dates pushing Mohenjo-daro's origins to ~3300 BC, but no primary excavation report, lab data, or peer-reviewed publication has been produced to substantiate these claims. The two supporting sources appear non-independent, and the claim risks conflating broader Indus Valley antiquity evidence (e.g., from Bhirrana) with Mohenjo-daro specifically. Presenting these unverified reports as established "archaeological findings" materially overstates the current evidence base.
“Red yeast rice lowers cholesterol levels in humans.”
Clinical evidence strongly supports that red yeast rice preparations containing meaningful amounts of monacolin K lower LDL and total cholesterol in humans, with meta-analyses of randomized controlled trials showing 15–25% LDL reductions. However, the claim requires an important caveat: monacolin K content varies widely across commercial products, and in the U.S., products with substantial monacolin K face FDA restrictions as unapproved drugs. Not all retail red yeast rice supplements will reliably produce cholesterol-lowering effects.
“Men have a significantly higher sex drive than women, on average.”
The best available evidence — including a large-scale 2022 meta-analysis of over 620,000 individuals — consistently finds that men report higher average sex drive than women, with a medium-to-large effect size that remains significant after adjusting for response bias. However, the observed gap is partly driven by behavioral measures like masturbation frequency, and sociocultural factors such as sexual stigma and gendered scripts may suppress women's reported desire. The claim is directionally accurate but omits these important measurement and contextual nuances.
“The oral contraceptive pill universally reduces sexual desire in all women who take it.”
The evidence decisively contradicts this claim. Systematic reviews show approximately 84.6% of oral contraceptive users report no change in sexual desire, and about 12% actually report an increase — only a small minority experience a decrease. While reduced libido is a real, documented side effect for some women, the claim's absolute language — "universally" and "all women" — is unsupported by any credible source. The pill's effects on desire are highly variable and individual.
“Use of the oral contraceptive pill causes long-term or permanent infertility after discontinuation.”
Overwhelming medical evidence directly contradicts this claim. The World Health Organization, systematic reviews, and large cohort studies all confirm that oral contraceptive use — regardless of duration — does not cause long-term or permanent infertility, with fertility returning promptly after discontinuation. Some women may experience temporary cycle irregularity, but this is a short-term adjustment, not infertility. The sources cited in support of the claim are either low-authority, commercially conflicted, or internally self-contradictory.
“Consumption of walnuts can improve sperm quality in humans.”
Peer-reviewed randomized controlled trials consistently show that walnut consumption produces statistically significant improvements in measurable sperm parameters including motility, vitality, and morphology. The evidence firmly supports the claim as stated — about sperm quality, not fertility outcomes. However, no large-scale study has confirmed these improvements translate to higher pregnancy or live-birth rates, and the primary RCT studied men on a Western-style diet, limiting generalizability.
“High-protein diets do not cause kidney damage in people with healthy kidneys.”
The best available evidence — including a major systematic review and meta-analysis — shows that high-protein diets have not been demonstrated to harm kidney function in healthy adults over studied timeframes. However, the claim's absolute phrasing ("do not cause kidney damage") overstates what the science can confirm. Most supporting trials are short-to-medium term, long-term effects remain uncertain, and some observational data and mechanistic concerns (hyperfiltration, kidney stones) complicate a categorical safety guarantee.
“A blood test developed by researchers at the University of East Anglia can detect early-stage dementia with 79% accuracy.”
The 79% accuracy figure is real but significantly mischaracterized. UEA researchers developed a preliminary machine-learning model using six gut-derived blood metabolites that classifies participants across three study groups — healthy, mild cognitive impairment (MCI), and impaired — with 79% accuracy. This is not a validated clinical blood test, and MCI is a precursor state, not equivalent to "early-stage dementia." Even UEA-affiliated coverage describes the work as research that "could pave the way" for a future test, not a deployable diagnostic tool.
“Artificial intelligence will replace the majority of human jobs.”
No credible economic or labor market research supports the claim that AI will replace the majority of human jobs. Leading institutions — including BCG, Goldman Sachs, Forrester, MIT Sloan, and Anthropic — project job displacement in the 6–15% range, with AI reshaping and augmenting far more roles than it eliminates. Even the most pessimistic long-run forecast in the evidence (~10 million jobs by 2050) falls far short of the "majority" threshold. No systematic increase in unemployment has been observed since AI's mainstream adoption.
“Purchasing 1,000 copies of a book is sufficient to qualify it for the New York Times Best Seller List.”
No credible evidence supports the idea that 1,000 purchased copies can land a book on the New York Times Best Seller List. Every available source places the minimum threshold at roughly 3,000–5,000 copies sold per week, depending on category and competition. The NYT also uses a proprietary methodology that actively flags or discounts strategic bulk purchases, meaning that buying 1,000 copies in a single transaction would likely not even be fully counted toward list qualification.
“Women are more emotionally driven than men in decision-making contexts.”
The scientific evidence does not support the broad claim that women are more emotionally driven than men in decision-making. Peer-reviewed meta-analyses and empirical studies show that sex differences in emotional influence on decisions are small, task-specific, and inconsistent in direction — with some research finding men more susceptible to emotional spillover in financial decisions. The claim relies on conflating emotional sensitivity or neural activation with emotion-dominated choices, a logical leap that neuroscience research explicitly cautions against.
“Common cosmetic ingredients, when used at regulatory-approved doses, are toxic to human health.”
The evidence does not support the assertion that common cosmetic ingredients are toxic at regulatory-approved doses. Regulatory frameworks in the EU, Canada, and (post-MoCRA) the U.S. set approved doses well below observed adverse-effect thresholds, typically with 100x safety margins. Sources cited in support describe associations at unspecified exposure levels, regulatory gaps, or scientific uncertainty about long-term cumulative effects — none demonstrate toxicity at approved doses under normal use. The claim conflates hazard identification with actual risk at regulated exposure levels.
“Dietary intervention is more effective than medication at reversing coronary artery disease.”
While intensive lifestyle programs have demonstrated some angiographic regression of coronary artery disease, no rigorous head-to-head trial has compared dietary intervention against modern statin or PCSK9-inhibitor therapy for CAD reversal. The landmark Lifestyle Heart Trial (n=48) lacked a medication arm and tested a multi-component program—not diet alone. High-quality reviews indicate that combining lifestyle changes with medication produces the best outcomes, undermining the claim that diet is "more effective" than drugs.
“Parallel universes exist.”
No credible scientific source supports the assertion that parallel universes are a confirmed reality. The most authoritative sources — including the Stanford Encyclopedia of Philosophy and peer-reviewed literature — consistently describe parallel universes as a feature of certain theoretical interpretations (such as the Many-Worlds Interpretation) that lack direct empirical evidence. The strongest observational candidate, bubble-collision signatures in the cosmic microwave background, has not reached statistical significance. Stating their existence as fact conflates mathematical possibility with physical confirmation.