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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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People about to have surgery must tell their health care providers about all supplements they take.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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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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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.