If you tend to get the winter blues, it’s not just your imagination. Seasonal affective disorder (SAD)—a type of depression marked by low energy, sleeplessness, and apathy during the coldest, darkest ...

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

It's that time of year again in the northern hemosphere. The days are getting shorter, the sun is setting sooner and the weather is cooling off quickly. While some people bask in winding down earlier ...