Seasonal Affective Disorder

By: Sergio T.

What is it?

Seasonal affective disorder is a form of depression that appears at the same time each year. It can affect different moods year round, or the persons thinking.

Signs or symptoms

  • Changes in mood
  • Low energy
  • Changes in sleep
  • Less time socializing

How does it affect someone?

  • Lower grades
  • Less energy
  • Disappointed
  • Changes in mood & motivation

How is it diagnosed?

  • Physical exam
  • Lab tests
  • Psychological evaluation


  • Light treatment
  • Medication
  • Psychotherapy
  • Anti-depressants
  • Talk therapy