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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

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Asthma cases in Americans are about 75% higher today than they were in 1980.

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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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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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HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

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