Many suffer from Seasonal Affective Disorder (SAD) this time of year, often blaming the lack of sunshine as the culprit. And although a lack of vitamin D contributes to SAD, there are a number of lifestyle changes that can encourage SAD to manifest in one’s body–such as too much alcohol and sedentary behavior. After consulting medical journals, I wrote a piece on how to combat SAD for ThriveWire. Check out my article and use my tips to combat SAD during these cold, dark months.