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Everyone has one nostril that is larger than the other.
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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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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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People about to have surgery must tell their health care providers about all supplements they take.
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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.