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Anxiety is a general term for several disorders that cause nervousness, fear, apprehension, and worrying. These disorders affect how we feel and behave, and they can manifest real physical symptoms. Mild anxiety is vague and unsettling, while severe anxiety can be extremely debilitating, having a serious impact on daily life. People often experience a general state of worry or fear before confronting something challenging such as a test, examination, recital, or interview. These feelings are easily justified and considered normal. Anxiety is considered a problem when symptoms interfere with a person's ability to sleep or otherwise function. Generally speaking, anxiety occurs when a reaction is out of proportion with what might be normally expected in a situation. Learn more at MedicalNewsToday.com

There are many different categories of anxiety disorders the following are the most common. Generalized Anxiety Disorder (GAD) is a chronic disorder characterized by excessive, long-lasting anxiety and worry about nonspecific life events, objects, and situations. Panic disorder is characterized by unexpected and repeated episodes of intense fear accompanied by physical symptoms. A phobia is the unrelenting fear of a situation, activity, or thing that causes one to want to avoid it at all costs. In social anxiety disorder, everyday interactions cause extreme fear and self-consciousness. Obsessive-Compulsive Disorder (OCD) is characterized by recurrent, unwanted thoughts (obsessions) and/or repetitive behaviors (compulsions). Post-Traumatic Stress Disorder (PTSD) can develop after exposure to a terrifying event or ordeal in which grave physical harm occurred or was threatened.

. For more information about anxiety, check out NIH.gov, MedicineNet.com, and MayoClinic.com.

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