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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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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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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).