The "holiday blues" as a stress reaction.
D000223:Adaptation, Psychological; D001008:Anxiety Disorders / Q000523:psychology; D003866:Depressive Disorder / Q000175:diagnosis / Q000523:psychology*; D003937:Diagnosis, Differential; D006693:Holidays; D006801:Humans; D012621:Seasons; D013315:Stress, Psychological / Q000150:complications*