In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
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An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.
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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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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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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
Side view of the cranium and facial bones.
Production of ATP in Skeletal Muscle
Cranial Bones and Meninges
Skeletal system
In Falls, Energy Is Transmitted Along the Skeletal System
