Light plays an important role in many aspects of our lives, from our sleep cycles to mental health. If our bodies don’t get the proper light we need, it can cause a chemical change in the brain that ...

Seasonal affective disorder (SAD), now known clinically as major depressive disorder with seasonal patterns, is a condition that causes sadness or depression when the seasons change. It most typically ...

When you think of light therapy lamps that mimic natural sunlight, you probably associate them with seasonal affective disorder (commonly known as SAD), a type of depression that occurs during certain ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Nancy Redd Shifts in the number of daylight hours — due to changing seasons or ...