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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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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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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.