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Did you know?
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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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.