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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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There are 20 feet of blood vessels in each square inch of human skin.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.
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As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.