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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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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.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.