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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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.
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.