Like an estimated 5 percent or so of Americans, I have seasonal affective disorder, better known by its all-too-appropriate acronym, SAD. Seasonal depression, which can entail lethargy and lower moods ...

Q: Each year when we switch away from daylight saving time, I get that SAD thing. I start feeling low and eventually get depressed. Why does that happen? I’ve read there are special lights that can ...

Studies have found lower levels of serotonin, a brain chemical that helps regulate mood, in people with winter-pattern SAD. The light therapy you are asking about, known as bright light therapy, has ...

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 ...

Boris wanted to build a light box for his sister, who suffers from Seasonal Affective Disorder, a disorder brought on by lack of exposure to bright light in darker winter climates. My sister suffers ...

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 ...