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Did you know?
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.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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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 neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.