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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

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Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

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