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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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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.
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There are more bacteria in your mouth than there are people in the world.
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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."