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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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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
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The average office desk has 400 times more bacteria on it than a toilet.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.