Causes and Symptoms of Depression

Everyday, millions of Americans wake up and face with messy houses, screaming kids, nagging husband or wife, and meaning bosses. All these harsh realities impact deeply on us, giving us the symptoms of feeling emptiness and hopelessness. After a long time, these abnormal feelings will compress to a psychological illness, called depression. A depression, is also called clinical depression, is a psychiatric disorder characterized by an inability to concentrate, insomnia, loss of appetite, anhedonia, feelings of extreme sadness, guilt, helplessness and hopelessness, and thoughts of death. Although depression as people think is a psychological condition that changes how people think and feel, and it also affects our behavior and sense of physical wellness, I believe that the most significant causes of depression are biological, stressful and environmental factor. I also believe that physical health, changing in thinking and feeling, and different behaving are the most effected results of depression.

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At first, people classify the various causes of depression into separated category, but the main distinguish cause is stress. It is a psychological stimulus that can produce mental tension or physiological reactions and its function mostly appears as same as depression's role. Stress plays the important role in making people change their thinking, feelings and behaviors. Over all, stress is a psychological cause of depression. "A person's reactions to external factors can affect the normal level and activity of the chemical messengers in the brain, thus affecting mood and emotions. A stressful life event can plunge a person into clinical depression" ("Depression: How To Overcome It"). Clearly, almost people develop their depression after a stressful event in their life. Illnesses, death of their lover, divorce, ending a relationship, losing a job or financial problem are usually a negatively and traumatically cause of a great stress. However, stress not only...