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Author Question: Filene's attitude toward using dental floss was hard to change. Despite teachers' and doctors' ... (Read 69 times) |
The familiar sounds of your heart are made by the heart's valves as they open and close.
Thyroid conditions may make getting pregnant impossible.
Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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.