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Getting too little exposure to sunlight can result in low levels of vitamin D. In some individuals, a lack of sunlight can worsen symptoms of seasonal affective disorder (SAD). Light therapy is an ...

As the sun rises later and sets earlier during the winter months, odds are you feel sleepier and less motivated compared to other times of year. To some degree, that’s totally normal, says Dr. Alex ...

The winter months can be really rough. Colder temps and dry air aside, the shorter daylight hours can seriously mess with your emotional state, schedule, and even diet. You may feel more tired and ...

Light therapy can boost your mood, but you need the right model. Here's what experts say about picking an effective model.

People commonly use sun lamps, also known as SAD lamps, to treat a form of depression called seasonal affective disorder (SAD). These lamps can also help a person’s body make vitamin D, which helps ...