Depression is a common mental illness nowadays, with main symptoms including low mood, pessimism, and slow thinking, etc. As for the harms of depression, they are mainly as follows:
1. Loss of interest in daily life and lack of pleasure;
2. Significant reduction in energy and unexplained persistent fatigue;
3. Decline in self-confidence or inferiority, or feeling guilty;
4. Insomnia, early waking or oversleeping;
5. Poor appetite and significant weight loss;
6. Suicidal thoughts or behaviors;
7. Significant decrease in libido;
8. Difficulty in concentrating or decline in concentration;
9. Difficulty in association and a noticeable decline in thinking ability. Depression can fluctuate significantly throughout the day, often being the worst in the morning, gradually easing, and being the lightest in the evening.