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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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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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The average adult has about 21 square feet of skin.