Hind T. Hatoum, PhD

drs back, seigel and goldstein


Light Treatment for Nonseasonal Depression

March 01, 1999

Daniel F. Kripke, M.D. has studied the relationship between biological rhythms and depression since the early 1970s. He states that seasonal responses in many mammals are controlled by the photoperiod. Therefore, it seemed that depression might be analogous to winter responses and that light might be an effective treatment.