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The average office desk has 400 times more bacteria on it than a toilet.

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To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

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More than 4.4billion prescriptions were dispensed within the United States in 2016.

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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

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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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Comparison of loss- and gain-of-function alleles Comparison of loss- and gain-of-function alleles
Video: Five phases of cardiac cycle & Atrial contraction

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