Major depressive disorder is a type of unipolar mood disorder that only shows depressive symptoms. A patient that has major depressive disorder can have a different range of symptoms of mild, moderate, or severe. These symptoms only have to be noticeable for two weeks, according to the DSM-5. Some patients also show signs of psychosis or suicidality. It is noted that if there are two or more major depressive episodes, it is recurrent. This is very important when predicting the future of the disorder: what symptoms are more elevated, how the patient copes when symptoms arise, etc. It was interesting to read that there are 40% more recurrences after the second year of being diagnosed than the first year. This past semester I have watched a
