What causes depression?

　　Now with the improvement of people's standard of living, thinking is no longer limited, people pay more attention to physical health, so guarded attention to the prevention of disease. However, in order to prevent the occurrence of disease also need to understand the causes of disease. Depression is a common mental illness, it gives us a great impact on our learning and life. So what is the cause of it? The following is to introduce the causes of depression.

　　 Causes of depression:

　　 Physical disease: it is very easy for a person to suffer from some physical diseases in life, but like stroke, heart attack, cancer, chronic pain, diabetes, hormonal disorders and advanced diseases these physical diseases may incur the onset of depression. There is apathy or inability to deal with their physical needs, these conditions may be a mood response or objective reaction to the physical disease, may also be a precursor to depression.

　　 Personality factors: this is one of the main causes of depression, such as life in the sensitive, suspicious, moody, strong, pessimistic, low self-confidence, bad thought forms, excessive chagrin or feel simply can not control the life of things and other personalities, are prone to depression, some of the personality.

　　 Biochemical factors: Because when a person suffers from depression, there is often a gradual decrease in the number of chemicals called neurotransmitters in the brain. If there is an imbalance between the two neurotransmitters, 5-hydroxytryptophan and norepinephrine, this can lead to depression or anxiety. 5-hydroxytryptophan and norepinephrine decreases often lead to low mood, decreased motivation, and changes in appetite and sex drive.

　　 Biological rhythm changes: we are living in some physiological function indicators such as body temperature, sleep, cortisol and other endocrine have biological circadian rhythm changes is on behalf of a person's affective neurological presentations of disorders, the main manifestation of the phase shift, mostly phase forward, that is, the peak time of physiological rhythms earlier, depressed patients with ocular fast-moving sleep ambient period is shortened (i.e., forward), some people think that can be regarded as a depressive disorder Biological indicators, with conclusive significance.

　　I believe that through the analysis of the causes of depression in this article, we have a further understanding of depression. I hope that everyone in the future in daily life can be targeted to avoid the occurrence of this disease, starting from the prevention of depression. At the same time, I also hope that depression patients with a positive attitude, cooperate with the doctor to accept the treatment, as soon as possible to restore health, return to normal life.