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If you could remove all of your skin, it would weigh up to 5 pounds.
People about to have surgery must tell their health care providers about all supplements they take.
Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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.