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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People about to have surgery must tell their health care providers about all supplements they take.
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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.
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Your heart beats over 36 million times a year.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.