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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.
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There are approximately 3 million unintended pregnancies in the United States each year.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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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).