Mental Floss

HEALTH

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You might think that urine is just bodily waste—but you would be wrong. It's been used in cleansers, medicine, and infertility treatments for centuries.

Stan Shunpike






American doctor and epidemiologist Jonas Salk, who developed the first vaccine against poliomyelitis, looks on as a colleague gives the injection to a woman.

From eradicating smallpox to battling the COVID-19 pandemic, these vaccine pioneers have helped make colossal strides in public health.

Rujuta Saksena


Netflix

Do you really need eight hours of sleep? Should you ban all technology from your bedroom? Eve Lewis Prieto, director of meditation for the Headspace app and narrator of Netflix's 'Headspace Guide to Sleep,' helps us separate fact from fiction.

Dana Rose Falcone
Despite what you may have been told, eating eggs won’t send your cholesterol levels through the roof.

Here are seven somewhat harmless food myths that have been drilled into our heads for so long that we don’t even realize they’re fake.

Jeremy Glass








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Whether they boast a long life expectancy or a high number of lottery winners, these states qualify as lucky.

Michele Debczak