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Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
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.
Did you know?
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
Did you know?
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.