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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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Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.
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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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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.