Depression has many causes like genetic,psychological problem and social stressful events , all of which causes some neurotransmitter imbalance of serotonin and noradrenaline. Some cases may improve with therapy and severe cases require medication .
Next Steps
Exercises is best antidepressant . Do it regularly for half an hour daily. Need some detailed evaluation of yours case , so that I can help you more.
Health Tips
Happy to help online.take care.