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Did you know?
Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
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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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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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Vaccines prevent between 2.5 and 4 million deaths every year.