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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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Illicit drug use costs the United States approximately $181 billion every year.
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The average adult has about 21 square feet of skin.
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According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.
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There are more nerve cells in one human brain than there are stars in the Milky Way.