関連キーワード
1. Seasonal Affective Disorder (SAD)
2. Mental health
3. Well-being
4. Impact
5. Seasonal variation
6. Depression
7. Anxiety
8. Mood disorders
9. Light therapy
10. Circadian rhythm
11. Sleep disturbances
12. Emotional regulation
13. Cognitive function
14. Social functioning
15. Quality of life
16. Biological mechanisms
17. Neurotransmitters
18. Serotonin
19. Melatonin
20. Vitamin D
21. Genetic factors
22. Environmental factors
23. Risk factors
24. Prevalence
25. Treatment options
26. Psychotherapy
27. Pharmacotherapy
28. Comorbidities
29. Gender differences
30. Public health implications