Pediatrics

How to tell if your teen is depressed

Teen depression is a serious mental health problem that causes a persistent feeling of sadness and loss of interest in activities. It affects how your teenager thinks, feels and behaves, and it can cause emotional, functional ...

Medications

Mayo Clinic minute: Is CBD safe to use?

CBD has surpassed all other supplements in history in terms of rapid rise in sales and use in the U.S., says Dr. Brent Bauer, director of the Mayo Clinic Integrative Medicine and Health Research Program. It's being marketed ...

Diseases, Conditions, Syndromes

Painting a bigger biosociological picture of chronic pain

An integrated approach that unifies psychosocial factors with neurobiology sheds light on chronic pain traits and their underlying brain networks, according to a study published August 20 in the open-access journal PLOS Biology ...

Medical research

Multi-tasking protein at the root of neuropathic pain

Researchers from Japan's Osaka University have made an important leap in our understanding of how chronic pain conditions develop. In a study published on July 25 in Journal of Neuroscience, the team explains how a protein ...

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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.

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