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Vaccines prevent between 2.5 and 4 million deaths every year.
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Green tea is able to stop the scent of garlic or onion from causing bad breath.
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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
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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.