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Anxiety |
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Anxiety is the body's response to fear. It plays
a valuable role in self-preservation - the fear of the consequences
often prevents us from taking unnecessary risks. Anxiety as a disorder
results from the fear response becoming out of proportion to the
actual risk. Anxiety disorders involve excessive levels of negative
emotions, such as fear, worry, nervousness, and tension, and the
anxious feelings occur involuntarily despite your best attempts
to avoid them or stave them off.
The body responds to anxiety stimulus both physically and mentally. Anxiety can lead to over-stimulation of the sympathetic nervous system. It manifests by the physical symptoms such as a racing heartbeat, sweating and trembling, and psychological symptoms such as restlessness, insomnia and difficulty in concentrating. Anxiety is often seen as a triggering of the fight-or-flight reaction, causing excess adrenaline to be produced by the adrenal glands, which in turn produce other hormones (catecholamine) that affect various parts of the body, such as heartbeat and respiration. Generalized anxiety disorder (GAD) is not taken seriously as a medical condition by many people-including doctors-yet it is a debilitating mental illness that often leads to tragic outcomes for the individuals who suffer from it. Generalized anxiety disorder is often found to be associated with (co morbidity) major depression. 14% of patients whose GAD is accompanied by major depression have attempted suicide at least once, according to Martin Keller, MD, chief of psychiatry, Brown University, Providence, R.I. What is interesting is that even in those who were not diagnosed with depression, 11% have attempted suicide. There are two types of anxiety disorders based on the origin of the cause. Exogenous anxiety is provoked by an identifiable danger or stressor existing outside of the person. For example, if your spouse is ill with a high fever, your exogenous anxiety is a natural response to the situation. Endogenous anxiety is produced within the person. It can be caused by internal conflicts, such as having to make a tough decision. In this case, the cause of the anxiety is not always identifiable. |
| Types of Anxiety Disorders |
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Anxiety disorders, like other mental illnesses,
reflect dysfunctions within the brain. We are beginning to understand
the specific circuits in the brain that underlie post-traumatic
stress disorder, obsessive-compulsive disorder and perhaps panic
disorder. We are on the path to discovering genes that make people
vulnerable to anxiety disorders.
"Anxiety disorders are the most common mental illnesses in America, yet many people who have them are suffering in silence and secrecy, inappropriately ashamed or unaware of the availability of excellent treatments," according to Steven E. Hyman, M.D., Director of National Institute of Mental Health (NIMH). "Most people with anxiety disorders, depression or other mental illnesses face great difficulty receiving appropriate treatment due to widespread lack of understanding and stigma." Anxiety disorders consist of a group of illnesses: obsessive-compulsive disorder, generalized anxiety disorder, phobias, panic disorders and post-traumatic stress disorder. Panic Disorder - Characterized by panic attacks, sudden feelings of terror that strike repeatedly and without warning. Physical symptoms include chest pain, heart palpitations, shortness of breath, dizziness, abdominal discomfort, feelings of unreality, and fear of dying. Panic disorder afflicts approximately 1 to 2% of the U.S. population with women being twice as likely to develop it. It typically strikes in young adulthood with roughly half of all sufferers developing the condition before age 24. Agoraphobia is the fear of being in places or situations from which escape may be difficult or embarrassing or in which help may not be available in the event of a panic attack. Agoraphobia is intimately related to panic disorder, and the two frequently occur together. Obsessive-Compulsive Disorder - Obsessive-compulsive disorder (OCD) afflicts about 2% of the U.S. population in a given year. People with OCD suffer intensely from recurrent, unwanted thoughts (obsessions) or rituals (compulsions) that seem impossible to control. Post-Traumatic Stress Disorder - Post-traumatic stress disorder affects about 7.8% of the population. It is often associated with war veterans. However it can occur in anyone who has experienced a severe and usual physical or mental trauma such as war, rape, child abuse, natural disasters or crashes. The severity of the disorder increases if the trauma was unanticipated. People who suffer from PTSD re-experience the event that traumatized them through nightmares, psychic numbing, excessive alertness and highly sharpened startle reaction, and in generalized anxiety, depression, and inability to sleep, nightmares, flashbacks, numbing of emotions, feeling angry, irritable, and distracted. Phobias - Extreme, disabling and irrational fear of something that really poses little or no actual danger; the fear leads to avoidance of objects or situations and can cause people to limit their lives. Phobias afflict approximately 13 to 15% of Americans who may experience one or more phobias in a given year. Generalized Anxiety Disorder - Chronic, exaggerated worry about everyday routine life events and activities, lasting at least six months. Almost always anticipating the worst even though there is little reason to expect it; accompanied by physical symptoms, such as fatigue, trembling, muscle tension, headache, or nausea. Generalized anxiety disorder (GAD) afflicts about 3 to 4 % of the U.S. population in a given year. |
| Call Your Doctor If |
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Everyone experiences worry and anxiety from time
to time. But if severe anxiety continues for a long time or becomes
overwhelming and interferes with your social or occupational functioning,
you should seek medical attention. Here are some reasons to see
a doctor:
· You feel uncontrollably anxious and cannot function normally. · You chronically experience severe symptoms such as shortness of breath, chest pressure or pain, and dizziness, along with extreme worry and tension. · Along with anxiety, you have lost weight and your eyes seem to bulge. (You may have thyroid problem or some other physical ailment.) · You have panic attacks-short, unexplained periods of intense fear. · You avoid people, places, or situations in order to avoid feeling anxious. |
| Common Sense Care |
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