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There are 60,000 miles of blood vessels in every adult human.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
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In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.