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Did you know?
There are more bacteria in your mouth than there are people in the world.
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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.
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Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.
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Vaccines prevent between 2.5 and 4 million deaths every year.