seasonal affective disorder

from The Collaborative International Dictionary of English v.0.48
seasonal affective disorder \seasonal affective disorder\, n.
   A form of mild depression that occurs in winters, associated
   with reduction in the amount of sunlight. It is characterized
   by oversleeping, irritability, and sometimes overeating. It
   can be treated by light therapy and usually disappears with
   the arrival of spring.
   [PJC]
antiflux / dictionary / seasonal affective disorder
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