Harvard Women's Health Watch

In the journals: Cognitive behavioral therapy more effective than light therapy for relieving seasonal depression

Up to 10% of Americans have depressive symptoms at roughly the same time every year, usually November through March. The condition is known as seasonal affective disorder (SAD), and the first-line treatment today is light therapy — daily exposure to artificial bright light. But according to a study led by investigators at the University of Vermont, cognitive behavioral therapy (CBT) is more effective.
To continue reading this article, you must login.
  • Research health conditions
  • Check your symptoms
  • Prepare for a doctor's visit or test
  • Find the best treatments and procedures for you
  • Explore options for better nutrition and exercise
Learn more about the many benefits and features of joining Harvard Health Online »