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In 1864, the first barbiturate (barbituric acid) was synthesized.
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.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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