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Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
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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.