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Author Question: If you stand closer to a concave mirror than a distance of one focal length, the image you see is ... (Read 78 times) |
Blood is approximately twice as thick as water because of the cells and other components found in it.
Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
Medication errors are three times higher among children and infants than with adults.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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.