関連キーワード
1. Seasonal Affective Disorder
2. Mood disorders
3. Depression
4. Psychological effects
5. Seasonal variation
6. Winter blues
7. Light therapy
8. Melatonin
9. Circadian rhythms
10. Biopsychosocial factors
11. Behavioral changes
12. Sleep disturbances
13. Serotonin imbalance
14. Vitamin D deficiency
15. Gender differences
16. Age-related effects
17. Genetic predisposition
18. Climate and geography
19. Coping strategies
20. Quality of life
21. Occupational impact
22. Academic performance
23. Social relationships
24. Economic consequences
25. Healthcare utilization
26. Treatment options
27. Psychotherapy
28. Pharmacological interventions
29. Public health implications
30. Prevention strategies