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Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
Did you know?
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Vaccines prevent between 2.5 and 4 million deaths every year.