Seasonal Affective Disorder

1 article

Person experiencing the mood-boosting effects of bright light therapy, sitting in a well-lit room with a therapeutic lamp.

How Bright Light Therapy Affects Mood: A Guide

Within just 3-7 days, exposure to bright white full-spectrum fluorescent light can show a statistically significant antidepressant effect, according to PMC .

Jonah Kline·July 16, 2026