Depression is a common mental illness nowadays, with main symptoms including low mood, pessimism, slow thinking, etc. The harms of depression are mainly the following:
1. Loss of interest in daily life and no sense of happiness;
2. Significant reduction in energy, persistent fatigue without reason;
3. Decline in self-confidence or inferiority, or feeling guilty;
4. Insomnia, early morning awakening or oversleeping;
5. Poor appetite and significant weight loss;
6. Suicidal thoughts or behaviors;
7. Significant decrease in libido;
8. Difficulty concentrating or decline in concentration;
9. Difficulty in association, and significantly reduced thinking ability. Depression has great fluctuations during the day. In the case of phobia, it is usually the worst in the morning, then gradually decreases, and is the lightest in the evening.