Depression is a mental disorder characterised by low mood which lasts for a prolonged period of time and affects everyday life and low energy levels.
DSM CATEGORIES OF DEPRESSION- Major depressive disorders – a serious persistent feeling of sadness which makes enjoying life difficult
Persistent depressive disorders – long-term depression lasting years, months
Disruptive mood dysregulation disorder- experiencing ongoing anger and temper outbursts.
Premenstrual dysphoric disorder- occurs in the early stage of the menstrual cycle , low mood , physical symptoms mood swings, fatigue .