U.S. Air Forces in Europe & Air Forces Africa
"Seasonal affective disorder is a variant of major depressive disorder where depressive episodes show up seasonally." - Maj. Donald Christman, 86th Medical Operations Squadron mental health flight commander. U.S. Air Force graphic by Jeff Gates.
No camera details available.
This photograph is considered public domain and has been cleared for release.
If you would like to republish please give the photographer appropriate credit.
Further, any commercial or non-commercial use of this photograph or any other
DoD image must be made in compliance with guidance found at
which pertains to intellectual property restrictions (e.g., copyright and
trademark, including the use of official emblems, insignia, names and slogans), warnings
regarding use of images of identifiable personnel, appearance of endorsement, and related matters.