Myth or fact
Popular claims, including viral social media trends, checked against scientific sources.
All fact checks
Physical Activity · Myth or fact Do you really need 10,000 steps a day? What the research says
Where the 10,000-step goal came from and what meta-analyses show about daily steps and mortality by age, including where benefits level off.
Risky Substances · Myth or factIs any amount of alcohol safe? The myth of the healthy glass of wine
Why newer research does not support the idea that moderate drinking is good for you, what the Global Burden of Disease found and how to cut back.
Physical Activity · Myth or factMyth or fact: exercise only counts if you work out for an hour
Is a short workout a waste of time? What studies with objective activity tracking show and why the guidelines dropped the 10-minute minimum.
Stress · Myth or factMyth or fact: stress is always bad for you
Is all stress harmful? What a large U.S. study and mindset experiments found about believing stress is harmful, and why chronic stress still matters.
Sleep · Myth or factMyth or fact: melatonin is a safe, strong sleep aid
How much melatonin really helps you fall asleep, why supplement doses are unreliable and when melatonin actually makes sense.
Social Connection · Myth or factMyth or fact: introverts do not need social connection
Do introverts do fine alone? What experiments on talking to strangers found and why social connection matters for everyone regardless of temperament.
Nutrition · Myth or factMyth or fact: you need a detox diet to cleanse your body
Do juice cleanses and detox teas remove toxins? What a critical review found, how your liver and kidneys really work and what supports them.
Nutrition · Myth or factMyth or fact: fruit is bad for you because of its sugar
Is fruit sugar harmful? What large U.S. cohort studies show about whole fruit, fruit juice and type 2 diabetes risk.
Sleep · Myth or factMyth or fact: you can catch up on sleep over the weekend
Can weekend recovery sleep undo a week of short nights? What a controlled experiment found about insulin sensitivity, snacking and weight.
Nutrition · Myth or factMyth or fact: breakfast is the most important meal for weight loss
Does eating breakfast help you lose weight? What a BMJ meta-analysis of randomized trials found, and why breakfast quality matters more than timing.
Stress · Myth or factMyth or fact: ice baths and cold showers cure stress
What research on cold water immersion shows about stress, sleep, immunity and recovery after workouts, and who should avoid cold plunges.
Nutrition · Myth or factMyth or fact: apple cider vinegar helps you lose weight
What research shows about apple cider vinegar for weight loss and blood sugar, its side effects, and why a morning vinegar shot is not a magic pill.
Physical Activity · Myth or factMyth or fact: ab exercises burn belly fat
Can you "spot reduce" fat in one area? What a randomized trial of ab exercises found and what actually reduces abdominal fat.
Stress · Myth or factMyth or fact: ashwagandha is a safe, natural stress remedy
What studies show about ashwagandha for stress and anxiety, why the quality of evidence is low and the reported risks, including liver injury.
Nutrition · Myth or factMyth or fact: seed oils like canola and soybean oil are toxic
Do seed oils cause inflammation and heart disease, as influencers claim? What meta-analyses of linoleic acid, biomarkers and a Cochrane review show.
Nutrition · Myth or factMyth or fact: raw (unpasteurized) milk is healthier
Does raw milk offer benefits pasteurized milk lacks, and how risky is it? What U.S. outbreak data show about unpasteurized dairy and foodborne illness.
Sleep · Myth or factMyth or fact: mouth taping improves sleep
Does taping your mouth shut at night help snoring and sleep? What a systematic review found and who may be put at risk.
Nutrition · Myth or factMyth or fact: the carnivore diet is the healthiest diet
What is known about an all-meat diet: why there is so little evidence, what happens to LDL cholesterol and the risks of cutting out plants long term.
Sleep · Myth or factMyth or fact: magnesium is the best remedy for insomnia
What is known about magnesium for sleep, why the viral "sleepy girl mocktail" does not treat insomnia and who should be careful with magnesium supplements.
Nutrition · Myth or factMyth or fact: every blood sugar spike after eating is harmful
Should healthy people wear a continuous glucose monitor and fear "glucose spikes"? What CGM studies in people without diabetes actually show.
Nutrition · Myth or factMyth or fact: you can never eat too much protein for muscle
How much protein you really need to build muscle, the point where benefits level off, and why protein shakes do not replace strength training.