Player Embed Code: <iframe width='500' height='300' scrolling='no' frameborder='0' style='border: none; overflow: hidden; width: 500px; height: 300px;' allowtransparency='true' src='https://www.dvidshub.net/video/embed/897440'></iframe> Download Embed Share TRICARE SAD Defense Health Agency Feb. 1, 2023 | 0:40 Seasonal affective disorder (SAD) is a mood disorder and is most common during winter months.