Scientists Find A Brain Circuit That Could Explain Seasonal Depression

(By Jon Hamilton for NPR)

Just in time for the winter solstice, scientists may have figured out how short days can lead to dark moods.

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.

When these cells detect shorter days, they appear to use this pathway to send signals to the brain that can make a person feel glum or even depressed.  Continue reading article here…

Notice: The link provided above connects readers to the full content of the posted article. The URL (internet address) for this link is valid on the posted date; medicarereport.org cannot guarantee the duration of the link’s validity. Also, the opinions expressed in these postings are the viewpoints of the original source and are not explicitly endorsed by AMAC, Inc.; the AMAC Foundation, Inc.; or medicarereport.org.