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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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Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

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Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

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Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

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No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Diffusion spectrum MR image of human brain Diffusion spectrum MR image of human brain
Big Picture of the Evolution of the Universe Big Picture of the Evolution of the Universe
Medical assistant uses a laptop computer for bedside charting. Medical assistant uses a laptop computer for bedside charting.
A typical variable cam timing control valve. The solenoid is controlled by the engine computer and ... A typical variable cam timing control valve. The solenoid is controlled by the engine computer and ...
All computer systems perform four basic functions: input, processing, storage, and output. All computer systems perform four basic functions: input, processing, storage, and output.
Connecting cables and a computer to perform off-board programming. Connecting cables and a computer to perform off-board programming.
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