Tip/Thought of the Day

Does The Way The Brain Processes Light Impact A Person’s Mood?

Living in regions that have short daytime hours can cause some people to experience “S.A.D” (seasonal affective disorder) at some point. This article from NPR explains, “Two recent studies suggest the culprit is a brain circuit that connects special light-sensing cells in the retina with brain areas that affect whether you are happy or sad.” So if you’ve ever felt a mood change as the days shorten, it isn’t something you’ve imagined, it could very well be a biological factor. Next week, we’ll go into more detail about S.A.D.

Dr. Courtney

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