With the acceleration of the pace of life and the increase of various pressures, people are no longer familiar with the word "depression". However, there are not so many people who really know about depression. Some people even think that those who suffer from depression are "doing" and looking for trouble. In fact, they are really miserable. There are several types of people who are more likely to become "depressed constitution" than others, and they need to pay more attention to prevention. There is a certain relationship between depression and family history in people with family history of depression. Studies have shown that if one of the parents suffers from depression, the child's probability of illness is 25%; If both parents are depressed, the probability of children suffering from depression is as high as 50% - 75%. The birth of a pregnant woman or a female child who is a new mother is not only a happy event, but also a responsibility. Many women face changes in body shape and maladjustment in work and life during pregnancy and childbirth, especially the drastic changes in hormone levels in the perinatal period, and may have depressive symptoms during the perinatal period. People who suffer from major misfortunes are more likely to suffer from depression if they have had tragic experiences in childhood, divorced or lived alone. If you encounter major misfortunes in your life, the risk of illness will increase significantly. People with long-term stress have high work pressure and intensity in society, can not rest normally, often need to work overtime, and the circadian rhythm is reversed. Under these working conditions, it is easy to lead to the disorder of individual biological rhythm, and the psychology is in a state of depression and anxiety for a long time. If it cannot be adjusted in time, it is easy to get depression. Patients suffering from chronic physical diseases will bring pain to people, especially cancer patients. If they suffer from serious diseases and cannot be cured for a long time, it is easy to cause personality changes and suffer psychological hardships, which will lead to depression. Depression will also reduce human immunity and affect the condition of the original disease. The mental health of the empty nest elderly can not be ignored. Physical weakness, increased illness, and the death of relatives will all bring serious blows to the fragile physical and mental health of the elderly. If they can not be dredged in time, the elderly are likely to be depressed. Especially now that there are more and more empty nest elderly, children must accompany them in time, because such elderly people are more vulnerable to depression or Alzheimer's disease. (outlook new era)