One in five American adults has been diagnosed with some form of seasonal depression. For those among us who are sensitive to the ebb and flow of the seasons, the more extreme cases may result in Seasonal Affective Disorder, or SAD. Though researches are still not entirely sure the reasons for SAD, the symptoms are impossible to ignore. Individuals report disrupted sleep, lowered energy, depressive moods, and fatigue - particularly in the winter time. The blend of both mental and physical effects lead doctors to believe that SAD may have something to do with the way our bodies and brains process light; something we may see very little of during the winter months. Add a little more light into your life and beat the winter blues with SAD tech. This infographic details the effects of Seasonal Affective Disorder, the science behind its treatments, and how technology is stepping in to make it possible.