What kind of etiology triggers depression

　　Suffering from depression, will disturb the patient's mind, will also bring distress to the patient's friends, at the same time to bring the patient's friends quite serious harm, we need to know more about the knowledge of depression, in ordinary life to induce the emergence of depression to recognize the causes thoroughly, about the causes of depression will be what it is.

　　 The causes of depression:

　　Physical disease: a person is very easy to suffer from some physical diseases in life, but like stroke, heart attack, cancer, chronic pain, diabetes, hormone 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, have a bad form of thought, 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: 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.

　　 Symptoms of depression:

　　1, depressed state of mind: the physical symptoms of depression are low mood, distress and sadness, and lack of interest. Feeling pessimistic and despairing, pain and suffering, with the feeling that days are like years, life is worse than death. Commonly used to live meaningless, not happy to describe their inner experience. Typical people have a depressed mood, characterized by heavy daytime and light nighttime. Often coexist with anxiety.

　　2. Decreased volitional activity: active activities are obviously reduced, passive life, unwilling to participate in the outside world and activities of interest, often alone. The development of a lazy life is characterized by inarticulateness and immobility, which can lead to a degree of wooden stiffness. The most dangerous thing is repeated suicide attempts and behavior.

　　3, slow thinking: thought association process is inhibited, slow reaction, self-conscious brain does not turn, manifested in the active speech reduction, the speed of speech slowed down significantly, thinking about the problem of laborious. Slow response, need to wait for a long time, under the influence of emotional depression, low self-evaluation, low self-esteem, a sense of uselessness and worthlessness, feel meaningless to live, pessimism and suicide intention, self-blame and self-incrimination, think that living has become a burden, committed a major crime, in the physical discomfort based on the emergence of the concept of hypochondriacs, think that he suffers from an incurable disease.

　　4, physical symptoms: most patients have physical symptoms of depression and other biological symptoms, such as palpitations, chest tightness, gastrointestinal discomfort, constipation, loss of appetite and weight loss. Sleep disorders are prominent, mostly difficulty in falling asleep. Elsewhere, hallucinations, depersonalization, dissolution of reality, obsessive-compulsive and phobic symptoms can also occur during depressive episodes. Because of the significant delay in thought association and memory loss, it is easy to affect the cognitive function of the elderly patients, and the emergence of depressive pseudo-dementia.

　　By recognizing these introductions, friends understand the specific causes of depression, what are the specific causes of depression, suffering from depression, the patient's mental condition is obviously abnormal, but also affects the patient's life, we must learn more about some of the knowledge of depression, must be more to understand the causes of depression can be.