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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.
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There are approximately 3 million unintended pregnancies in the United States each year.
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Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.