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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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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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Thyroid conditions may make getting pregnant impossible.