抑郁症英文介绍.doc

Depression----The Mental Illness what is depression Depression is a mental health disorder , a psychiatric condition，characterized by sadness ,loss of interest or pleasure, feelings of guilt or low self-worth ,disturbed sleep or appetite ,feelings of tiredness , and poor concentration. Specifically,it is a mood disorder characterized by persistently low mood in which there is a feeling of sadness and lost of interest. Depression is different from the fluctuations in mood that we all experience as a part of a normal and healthy life. Temporary emotional responses to the challenges of everyday life do not constitute depression. According to the US Centers for Disease Prevention and Control (CDC),8% of people over the age of 12 years has depression in any two-week period. The World Health Organization (WTO)puts depression at the top of the list -it is the most common illness worldwide and the leading cease of disability.The organization estimates that 350 million people around the world are affected by depression. Major Depressive disorder Major depressive disorder (MDD), also known simply as depression, is a mental disorder characterized by at least two weeks of low mood that is present across most situations. It is often accompanied by low self-esteem, loss of interest in normally enjoyable activities, low energy, and pain without a clear cause.People may also occasionally have false beliefs or see or hear things that others cannot.Some people have periods of depression separated by years in which they are normal while others nearly always have symptoms present. Major depressive disorder can negatively affects a persons family, work or school life, sleeping or eating habits, and general health. Between 2-7% of adults with major depression die by suicide, and up to 60% of people who die by suicide had depression or another mood disorder. The cause is believed to be a combination of genetic, environmental, and psychological factors. Risk fa