Lack of adequate exposure to bright light can trigger SAD, causing depression, anxiety and loss of energy, lethargy, withdrawal from social life

http://bit.ly/1Ta4Poh Lack of adequate exposure to bright light can trigger SAD, causing depression, anxiety and loss of energy, lethargy, withdrawal from social life
http://www.naturalanxietyremediescenter.org/how-to-battle-seasonal-affective-disorder-now