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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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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
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Green tea is able to stop the scent of garlic or onion from causing bad breath.
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When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.
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Vaccines prevent between 2.5 and 4 million deaths every year.