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There are 20 feet of blood vessels in each square inch of human skin.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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There are more sensory neurons in the tongue than in any other part of the body.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
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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.