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EDITOR'S PICK

Anxiety is a psychological and physiological state characterized by cognitive, somatic, emotional, and behavioral components. These components combine to create an unpleasant feeling that is typically associated with uneasiness, apprehension, fear, or worry. Anxiety is a generalized mood condition that can often occur without an identifiable triggering stimulus. As such, it is distinguished from fear,

Physical effects of anxiety may include heart palpitations, muscle weakness and tension, fatigue, nausea, chest pain, shortness of breath, stomach aches, or headaches. The body prepares to deal with a threat: blood pressure and heart rate are increased, sweating is increased, bloodflow to the major muscle groups is increased, and immune and digestive system functions are inhibited (the fight or flight response).

http://en.wikipedia.org/wiki/Anxiety

Zeev N. Kain, MD

A past history of traumatic medical experiences is a powerful predictor that new medical procedures will be traumatic as well. We′ve found in our research that the best predictor of how a child will behave is their previous behavior during a similar event. So, if a child visited a doctor 2 years ago and had a traumatic experience then, if he needs surgery now, he will be at high risk of developing some form of traumatic stress response.

http://www.medscape.com/viewarticle/718868

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Expert's Comment

Latest Medical Breakthroughs

Anxiety is a feeling of nervousness, apprehension, fear, or worry. Some fears and worries are justified, such as worry about a loved one or in anticipation of taking a quiz, test, or other examination. Problem anxiety interferes with the sufferer′s ability to sleep or otherwise function.

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