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Author Question: You arrive back in the United States after a visit to a foreign country located on another ... (Read 518 times) |
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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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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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The familiar sounds of your heart are made by the heart's valves as they open and close.