Depression is a common mental illness nowadays, with main symptoms including low mood, pessimism, and slow thinking, etc. As for the harms of depression, there are mainly the following points:
1. Loss of interest in daily life, no sense of pleasure;
2. Obvious reduction in energy, hypochondriasis, unexplained persistent fatigue;
3. Decline in self-confidence or inferiority, or feelings of guilt;
4. Insomnia, early waking or excessive sleep;
5. Loss of appetite, significant weight loss;
6. Suicidal thoughts or suicidal behavior;
7. Significant decrease in libido;
8. Difficulty concentrating or decline in concentration;
9. Difficulty in association, perceived significant decline in thinking ability. Depressive mood fluctuates greatly during the day, often being the worst in the morning, then gradually easing, and being the lightest in the evening.