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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.