With these changes, many people may find themselves feeling the effects of SAD, or seasonal affective disorder. While it’s ...

In TODAY.com's Expert Tip of the Day, a psychiatrist explains why being exposed to a certain type of light at the wrong times ...

With the darker months here, it is common for people to experience lower moods due to the winter weather and lack of sunlight ...

As autumn deepens across the U.S., shorter days and earlier sunsets accompany the season's cooling temperatures. This shift ...

Is the light outside your window quietly sabotaging your mood each winter? For years, seasonal depression commonly referred to as seasonal affective disorder, or SAD has been blamed on the lack of ...

Have you noticed you're sleeping a little longer? Maybe you're experiencing a shift in appetite — craving more sweets or pasta. In autumn, our bodies sense the change in light as the dark winter ...