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There are 20 feet of blood vessels in each square inch of human skin.
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As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.
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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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People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.
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The average office desk has 400 times more bacteria on it than a toilet.