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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.
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Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.
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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.
Uranus's aurorae against its equatorial rings, imaged by the Hubble telescope. Unlike the auror
The notorious standford prison experiment
Pavlov’s Salivary Conditioning Experiment (2 of 2)
Experimental Apparatus for Fluidization Experiment
Find the equation of the normal line to f(x)=sinx+cosx at x = π.
The phenotypic and genotypic ratios of a dihybrid cross can be derived using a branched-line method