What are the physical causes of depression illness

　　Currently, depression is very complex, there are many factors that trigger the emergence of depression, which will bring more harm to the patient, we have to pay attention to depression, and should be induced by the causes of depression to pay attention to can, on the causes of depression disease will be what it is, the following to bring you to recognize it.

　　Physical disease: a person in life is very easy to suffer from some physical disease, but like a stroke, heart attack, cancer, chronic pain, diabetes, hormone disorders and advanced disease these physical disease may cause depression. Having apathy or not being able to deal with one's physical needs may be a mood response or objective reaction to a physical illness, or it may be a precursor to depression.

　　Personality factors: this is one of the main causes of depression, such as life in the sensitive, suspicious, unstable mood, strong, pessimistic, low self-confidence, poor thought forms, excessive chagrin or feel simply can not control life things, etc. Personality, are prone to depression, some of the personality. Biochemical factors, because when a person suffers from has been in the week, his brain will often be some of the chemicals known as neurotransmitters show a gradual decrease in the phenomenon. If there is an imbalance between the two neurotransmitters, 5-hydroxytryptophan and norepinephrine, it 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 phase shift, mostly phase forward, that is, the peak of the physiological rhythm of the time earlier, the patient's eyes in depression fast-moving sleep ambient period is shortened (i.e., forward), some people think that can be regarded as the depression of the biological indicators with conclusive significance.

　　Neuroendocrine dysfunction is a common cause of depression: many studies have found that patients with depression have abnormalities in the function of the hypothalamus-pituitary-adrenal axis, and that patients with depression have increased levels of plasma corticosteroids and 17-hydroxycorticosteroids. Physical disease, some serious physical diseases, such as stroke, heart attack, hormone disorders often trigger depression, and make the original disease worse. In addition, 1/3 of people with depression have substance abuse problems.

　　Genetic factors: many studies have found that the occurrence of depression has a closer relationship with genetic factors, but depression is not a hereditary disease, and genetic research is mainly done through investigations of genealogy and studies of twins. Genetic factors have a definite role in the development of depression, but this mainly refers to affective psychotic depression. As for other mild forms of depression, such as depressive neurosis and reactive depression, personality and environmental factors may play a greater role. Psychological and social factors is one of the important causes of the increase in the number of patients with depression: more than half of the first onset of depression patients can be found to have psychological and social factors, but there are a lot of talk, depressive neurosis and reactive depression, the onset of the psychological and social factors exist without exception, especially the latter is obvious, there is no mental stimulation how to reactive depression.

　　We understand the above knowledge, a clear understanding of the causes of depression is what, depression disease so that the mental aspect of the patient has been affected, and will disturb the normal life of patients, so we have to be vigilant about the emergence of depression, we need to know more about the onset of this disease factors, some depression prevention can be.