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Did you know?
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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Vaccines prevent between 2.5 and 4 million deaths every year.
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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.