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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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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.
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There are 60,000 miles of blood vessels in every adult human.
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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.