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.
Did you know?
In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
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Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.
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On average, the stomach produces 2 L of hydrochloric acid per day.
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The longest a person has survived after a heart transplant is 24 years.
Astronomy
Astronomy for kids
Explaining “Moving Continents”— The Theory of Plate Tectonics
Explaining Behavior
An MRI of Professor P.’s acoustic neuroma. The arrow indicates the tumor.