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Asthma cases in Americans are about 75% higher today than they were in 1980.
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The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.