Pain

Team finds an off switch for pain

In research published in the medical journal Brain, Saint Louis University researcher Daniela Salvemini, Ph.D. and colleagues within SLU, the National Institutes of Health (NIH) and other academic institutions have d ...

Nov 26, 2014
popularity 4.6 / 5 (13) | comments 1

More genetic clues found in a severe food allergy

Scientists have identified four new genes associated with the severe food allergy eosinophilic esophagitis (EoE). Because the genes appear to have roles in other allergic diseases and in inflammation, the ...

Nov 21, 2014
popularity 4.7 / 5 (3) | comments 0

How cartilage cells sense forceful injury

We live with the same cartilage—the tissue that connects our joints—for a lifetime. And since we can't readily make new cartilage cells, we had better figure out how to keep what we have healthy.

Nov 10, 2014
popularity 4.2 / 5 (6) | comments 0

Sexual fantasies: Are you normal?

Hoping for sex with two women is common but fantasizing about golden showers is not. That's just one of the findings from a research project that scientifically defines sexual deviation for the first time ever. It was undertaken ...

Oct 31, 2014
popularity 3.6 / 5 (25) | comments 21

Neuroscience: Why scratching makes you itch more

Turns out your mom was right: Scratching an itch only makes it worse. New research from scientists at Washington University School of Medicine in St. Louis indicates that scratching causes the brain to release ...

Oct 30, 2014
popularity 4.9 / 5 (13) | comments 1

Pain is an unpleasant sensation often caused by intense or damaging stimuli such as stubbing a toe, burning a finger, putting alcohol on a cut, and bumping the "funny bone." The International Association for the Study of Pain has a definition that is widely used: "Pain is an unpleasant sensory and emotional experience associated with actual or potential tissue damage, or described in terms of such damage".

Pain motivates the individual to withdraw from damaging situations, to protect a damaged body part while it heals, and to avoid similar experiences in the future. Most pain resolves promptly once the painful stimulus is removed and the body has healed, but sometimes pain persists despite removal of the stimulus and apparent healing of the body; and sometimes pain arises in the absence of any detectable stimulus, damage or disease.

Pain is the most common reason for physician consultation in the United States. It is a major symptom in many medical conditions, and can significantly interfere with a person's quality of life and general functioning. Psychological factors such as social support, hypnotic suggestion, excitement, or distraction can significantly modulate pain's intensity or unpleasantness.

This text uses material from Wikipedia licensed under CC BY-SA

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