1. Describe major depressive disorder and discuss at least eight of its symptoms. 2. How does major depressive disorder differ from bipolar disorder?

1. Major depressive disorder or MDD, is described as experiencing sadness over a long period of time. Some symptoms of major depressive disorder include loss of interest, change in eating habits, suicidal thoughts, feeling sadness or guilt, constant tiredness, change in your appetite, unable to concentrate, or poor decision making. 

2. The most obvious difference between major depressive disorder and bipolar disorder is that bipolar disorder comes with mania or a "high" period. The "high" period will include you feeling energized and having high self confidence, and after that period, you will go back to being depressed. With major depressive disorder, there is no good period, you experience constant feelings of sadness. 

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