Systematic reviews show pre-exercise stretching doesn’t meaningfully reduce soreness or injury risk.
Claim:
Stretching before exercise prevents muscle soreness and injuries.
TOTAL BS
Health
Medical claims, wellness fads, and what the evidence actually supports.
Daily water needs vary widely, and about 20–30% comes from food.
Claim:
Drinking eight glasses of water per day is the optimal daily water intake for human health.
TOTAL BS
Large observational studies link high ultra-processed food intake to higher dementia risk.
Claim:
Regular consumption of ultra-processed foods significantly increases the risk of developing dementia.
SOME BS
Razor blades are typically removed or pass through the body intact.
Claim:
The human stomach can dissolve razor blades through its digestive acids.
MOSTLY BS
Vitamin A from beta-carotene restores night vision only in deficient people.
Claim:
Eating carrots significantly improves night vision in humans.
MOSTLY BS
Reading in low light may cause temporary eye strain but no permanent damage.
Claim:
Reading in low light causes permanent damage to eyesight.
TOTAL BS
Adult ADHD diagnoses have risen, but overdiagnosis in adults remains unproven.
Claim:
ADHD is overdiagnosed in adults in recent years.
SOME BS
Approximately 0.2–0.5% of adult men can bench press 140 kg.
Claim:
Fewer than 0.1% of men are able to bench press 140 kilograms.
MOSTLY BS
When volume and intensity are matched, squats and leg press yield similar hypertrophy overall.
Claim:
Squats are more effective than leg press exercises for muscle hypertrophy.
MOSTLY BS
Normal smartphone blue-light exposure has no proven link to permanent retinal damage.
Claim:
Blue light emitted from smartphones causes permanent retinal damage.
TOTAL BS
Large reviews find no significant link between sugar-free drinks and cancer.
Claim:
Sugar-free drinks cause cancer in humans.
TOTAL BS
Randomized trials show milk intake has no significant effect on height.
Claim:
Drinking milk contributes to increased height growth in humans.
SOME BS
Experiments show oxygen and carbon dioxide levels do not drive yawning.
Claim:
Yawning occurs to increase oxygen intake before sleep.
TOTAL BS
Sexual orientation is largely shaped by biology and early development and is not durably changeable.
Claim:
Sexual orientation, specifically being gay, is primarily a result of psychological factors or social influence rather than innate biological factors, and it can be changed.
TOTAL BS
Freezing raw fish is the reliable way to prevent sushi-borne parasites.
Claim:
Consuming ginger after eating sushi kills most of the parasites that may be present in the sushi.
TOTAL BS
Only about 5–28% of Europeans are lactose intolerant, so most digest milk.
Claim:
Most adults of Western descent are unable to digest milk due to lactose intolerance.
TOTAL BS
Large meta-analyses find no overall autoimmune disorder increase from childhood vaccines.
Claim:
Mandatory childhood vaccination schedules in Western countries cause a significant increase in autoimmune disorders.
TOTAL BS
Long-term exposure to PM2.5 air pollution increases dementia risk.
Claim:
Exposure to urban air pollution is a direct cause of dementia.
MOSTLY BS
Lower abortion costs can increase abortion incidence without evidence of contraceptive substitution.
Claim:
Making abortion free of charge results in an increased rate of abortions being used as a method of contraception.
MOSTLY BS
Flying increases cosmic ionizing radiation exposure, but cancer causation remains unproven.
Claim:
Frequent airplane travel increases cancer risk due to radiation exposure.
SOME BS
No checks match that verdict.