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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 training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

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Everyone has one nostril that is larger than the other.

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Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

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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.

Face muscles Face muscles
Summary of Viral Hepatitis Types Summary of Viral Hepatitis Types
Creating a tent for turning from prone to supine or vice versa. Pin one side of the sheet against ... Creating a tent for turning from prone to supine or vice versa. Pin one side of the sheet against ...
Traction neck with head in neutral position. With recipient’s face directly up, hold head at ... Traction neck with head in neutral position. With recipient’s face directly up, hold head at ...
Clear the popliteal catchment area. Stand next to the recipient’s knee, and face the head of the ... Clear the popliteal catchment area. Stand next to the recipient’s knee, and face the head of the ...
An Inhaler with a Face Mask An Inhaler with a Face Mask
Video: Role of transport in a cell

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