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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.
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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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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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Illicit drug use costs the United States approximately $181 billion every year.