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Illicit drug use costs the United States approximately $181 billion every year.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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The average adult has about 21 square feet of skin.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.