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In 1864, the first barbiturate (barbituric acid) was synthesized.
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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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If you could remove all of your skin, it would weigh up to 5 pounds.
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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.