Advertising And Sponsorship Policy
To further our mission of making reliable health information available to the public, we accept advertising and sponsorship under strict guidelines. We will refuse any advertisement that we believe is incompatible ... [... more]
Mayo Clinic |
Absence Seizure
Usually, a petit mal seizure involves only a brief, sudden lapse of conscious activity. Each seizure lasts only seconds or minutes, but hundreds may occur each day. During a petit mal seizure, small jerks sometimes ... [... more]
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Acne
More than four out of five people between the ages of 12 and 24 develop acne at least once. While the disorder is often associated with teenagers, it can affect people of all ages. It's not uncommon for acne to occur ... [... more]
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Addiction, Gambling
Most people who wager don't have a problem with compulsive gambling. But some people -- an estimated 2 million American adults -- become compulsive gamblers at some point in their lifetimes. People who exhibit ... [... more]
Mayo Clinic |
Adrenal Gland Tumor
A pheochromocytoma (fe-o-kro-mo-si-TOE-muh) is a rare tumor that develops in the core of an adrenal gland. You have two adrenal glands, one just above each of your kidneys. Your adrenal glands produce hormones that ... [... more]
Mayo Clinic |
Aldosteronoma
Though your adrenal glands are each only about half the size of your thumb, these tiny titans dictate much of what happens in your body. Perched atop each of your kidneys, they produce hormones that help regulate ... [... more]
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Allergy, Peanut
Peanut allergy affects approximately 1.5 million people in the United States. As the most common cause of life-threatening allergic reactions (anaphylaxis), peanut allergies account for 80 percent of fatal or near ... [... more]
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Allergy, Penicillin
Penicillin allergy is the most common drug allergy. It isn't clear why some people develop penicillin allergy while others don't. Prevention focuses on awareness. Treating an allergic reaction may require taking ... [... more]
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Allergy, Pet
You may be surprised to learn that in most cases it's not your pet's fur or feathers that cause the allergic reaction. Instead, it's the small, invisible flakes of animal skin (dander) that trigger the itchy, watery ... [... more]
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Anal Itching
Anal itching is an intense itching around your anus -- the canal that's the outlet for your rectum. The itch, located in your anus or on the skin just around your anus, may be accompanied by a strong urge to scratch. ... [... more]
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Anemia, Vitamin Deficiency
Your body needs vitamins -- nutrients found in most foods -- for many reasons, including producing healthy red blood cells. If your body is deficient in certain key vitamins, you can develop anemia -- a condition in ... [... more]
Mayo Clinic |
Antibiotic-Associated Colitis
Pseudomembranous colitis occurs more often in adults than in children, and it's rare in infants because of protective antibodies they received from their mothers. The condition can cause serious symptoms and can even ... [... more]
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