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Did you know?

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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Cyanide works by making the human body unable to use oxygen.

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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

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Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

The greenhouse effect. The greenhouse effect.
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An example of an allosteric effect An example of an allosteric effect
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