Dear Jim: I am planning to get a high-intensity SAD light or sunrise device to help reduce my wintertime blues. Do these things really work? What features should I look for and are they expensive to ...

SAD, otherwise known as seasonal affective disorder, is a type of depression that usually occurs during winter time. Over the last few years SAD lamps have become more popular with people trying to ...

Let there be light – it's plea many of us make at this darkest time of year, when the sun shines so briefly each day. Humans have yet to find a way to make more sunshine. But for some people, the next ...