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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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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

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Thyroid conditions may make getting pregnant impossible.

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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

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Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

International Performance in Reading, Math, and Science, Eight Grade International Performance in Reading, Math, and Science, Eight Grade
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