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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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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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There are more sensory neurons in the tongue than in any other part of the body.
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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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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.