Many pts think so. Many of our non sad depressed pts say the lights & sunny days make them feel better.
Yes. Recent studies showed light therapy reduced depressive symptoms in a group of elderly people who were not diagnosed with sad.
Yes. But not in all cases. To be effective light therapy has to be consistent with the correct light frequencies and be convenient to do or it isn't rigorously used or effective. Antidepressant medication and counseling may also be necessary, especially when major depression or anniversary types of depression are a part of it. Read more...