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Did you know?
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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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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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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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.