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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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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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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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More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
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People about to have surgery must tell their health care providers about all supplements they take.