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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.
The familiar sounds of your heart are made by the heart's valves as they open and close.
Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.
Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.
The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.
![(a) Age of maturity of Atlantic cod decreased during the fishery collapse. (b) Evidence of maturatio](https://biology-forums.com/gallery/47/medium_33_31_08_11_2_12_19_16192083.jpeg)
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![The effective temperature, or black body temperature, of the Sun (5777 K) is the temperature a black](https://biology-forums.com/gallery/47/medium_12359_26_01_13_4_05_51.png)