<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hi doctor, Ive been experiencing depressive and psychotic symptoms along with excessive anger and low self-esteem. Ive also been feeling quite depressed lately.  <response>: It sounds like you may be experiencing the symptoms of marijuana abuse. Excessive use of marijuana can lead to a variety of psychological symptoms including depression, low self-esteem, and even psychotic episodes. Its important to seek treatment and support for this issue. 