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Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

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Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

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About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

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The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

The salivary glands, parotid, sublingual, and submandibular. This image shows the position of each g The salivary glands, parotid, sublingual, and submandibular. This image shows the position of each g
Nitrogen Cycle Nitrogen Cycle
A cartoon of “King Andrew the First” shows Jackson standing atop the U.S. Constitution—a scepter in A cartoon of “King Andrew the First” shows Jackson standing atop the U.S. Constitution—a scepter in
This label on a Toyota Camry hybrid shows the relative smog-producing emissions, but this does not ... This label on a Toyota Camry hybrid shows the relative smog-producing emissions, but this does not ...
Increased neurogenesis in the dentate gyrus following damage. The left panel shows (1) an ... Increased neurogenesis in the dentate gyrus following damage. The left panel shows (1) an ...
Pathways of nitrogen metabolism (purple) in the general pattern of intermediary metabolism Pathways of nitrogen metabolism (purple) in the general pattern of intermediary metabolism
Video: Rods and Cones Animation

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