Found 1,330 results for "Affective Disorders"
by Eugene S. Paykel
In a medical sense depressed mood is a systemic symptom in the same way as fatigue and sleep disturbance.
by Laura L. Smith Ph.D., Charles H. Elliott, Ph.D.
Even some 4700 years ago, Wong Tai (cited by McCartney 1962) mentioned the variation of diseases with the seasons.