To successfully treat and prevent recurrence of seasonal affective disorder we need to understand and — if possible — remove the underlying causes and risk factors. We need to ask: "What else is going on inside the body that might allow seasonal affective disorder to develop?"
Accurate diagnosis of the factors behind seasonal affective disorder consists of three steps:
Does your depression seem to develop or worsen during the darker winter months? This is sometimes known as Seasonal Affective Disorder (SAD).
Possible responses:→ Not applicable / don't know
→ A little
→ Very definitely