Cornell Health Psychiatric Nurse Practitioner Güney Acipayamli, DNP, PMHNP, RN writes about her experience adjusting to ...

Seasonal affective disorder (SAD) is more than the “winter blues.” It’s a real mood disorder linked to reduced light exposure that can disrupt your sleep, energy, and internal clock. Bright light ...

What Is Therapeutic Light Therapy? Therapeutic light therapy, also called phototherapy, is a form of treatment for certain types of depression, sleep disorders, and other conditions. It involves ...

It's wintertime once again. For many of us who live far from the equator, late autumn and winter are welcome seasons—building snowmen, skiing, and sledding are all popular snowy pastimes. However, for ...

Getting enough of the "sunshine vitamin" can be difficult in cold months.

Sunlight really does improve your mood—even if it's artificial.

Your fork might need to pick up some of the sun's slack this season.

Vitamin D users warned to stop supplements if these symptoms appear - Higher strength supplements can result in a number of potential side effects ...