03/03/2026
Seasonal Affective Disorder (SAD) refers to recurring depressive symptoms experienced typically in late fall and winter months. An estimated 5% of the population suffers from SAD, with higher numbers occurring in higher geographic latitudes, where winter daylight hours are shorter.¹
If you notice significant changes in mood and behavior when the seasons change, like an increase in substance use to self-medicate, it may be SAD. Learn the signs and symptoms of SAD and how to get help: https://lnkd.in/gJamuZTq
*Graphic Source: Seasonal Affective Disorder and Substance Use, National Association of Social Workers: https://bit.ly/4q1iNKy
¹: Global prevalence of seasonal affective disorder by latitude: A systematic review and meta-analysis: https://bit.ly/48NGAaa
SAMHSA