Overview
A typical case of depression
The core symptoms are significant and lasting depression, loss of interest, etc.
The most common mental disorder, with a high clinical cure rate
Suicide is one of the most serious consequences of depression patients
Disease definition
Depression is a typical condition of depressive disorder.
Depression is a mental disorder with a high prevalence rate and a high clinical cure rate. However, due to the lack of awareness of the disease by the common people, fewer patients adhere to regular treatment, so it also has the characteristics of low treatment rate and high recurrence rate. .
It is characterized by significant and lasting depression. Some patients have self-injury and suicidal behaviors, which may be accompanied by psychotic symptoms such as delusions and hallucinations. In severe cases, depressive stupor may occur, which may be manifested by fixed facial expressions and dysphoria. Lack of response to stimuli, few words or even no words, little movement or even motionlessness, etc.
Depression is generally manifested as low mood, loss of interest, lack of energy and so on.
Epidemiology
Most of the onset is acute or subacute, and usually occurs in autumn and winter.
The average age of onset is 20-30 years old, and the prevalence of females is higher than that of males (approximately 2:1).
The 2019 China Mental Health Survey Research report shows that the lifetime prevalence rate of depression in my country is 6.8%, and the 12-month prevalence rate is 3.6%. Among them, the lifetime prevalence rate of depression is 3.4%, and the 12-month prevalence rate is 3.4%. The rate was 2.1%.
In 2017, the World Health Organization (WHO) statistics on the global burden of disease showed that the disability-adjusted life years (the total healthy life years lost from illness to death) of depression rose to 11th place, and the study also showed that depression has become The third leading cause of disability and loss of healthy life years (years of life lost due to premature death), it is estimated that by 2020, depression will become the second largest source of disease burden after cardiovascular disease.
Type of disease
Clinically, depressive disorders are often divided into mild, moderate and severe according to the number, type and severity of symptoms.
In addition, because specific populations have their corresponding characteristics, depression can also be subdivided into elderly depression, childhood depression, postpartum depression, and so on.
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