In winter, the sunlight decreases, people stay indoors and go out less, and seeing the miserable sunlight outside the window makes people’s mood bleak, which is the high incidence of depression again and should be taken seriously. What to do? Researchers at the University of Vermont believe that people with seasonal affective disorder are more effective at talking and participating in more social activities than receiving light therapy. The researchers recruited 177 volunteers with symptoms of seasonal affective disorder and randomly divided them into two groups, one receiving daily light therapy and the other receiving cognitive behavioral therapy that included chatting twice a week for six weeks. In the first and second years, both treatments worked, but by the winter of the third year, 46% of the volunteers who received light therapy felt that the light had no effect and still had symptoms of affective disorder; while 27% of the volunteers who received cognitive-behavioral therapy still had symptoms, but overall, the light therapy group had more severe symptoms. Symptoms of seasonal affective disorder include depression, over-eating, anxiety, irritability, and difficulty concentrating as we enter winter, and symptoms will disappear with the arrival of spring. Winter is here, can spring be far away?