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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.
Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.