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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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