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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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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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On average, the stomach produces 2 L of hydrochloric acid per day.
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The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.