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Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

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On average, the stomach produces 2 L of hydrochloric acid per day.

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Video: Multiple Sclerosis Animation

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