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The average adult has about 21 square feet of skin.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
The longest a person has survived after a heart transplant is 24 years.
According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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