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Did you know?
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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The longest a person has survived after a heart transplant is 24 years.
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Thyroid conditions may make getting pregnant impossible.