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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
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Excessive alcohol use costs the country approximately $235 billion every year.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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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.