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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
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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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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.