Winter-over syndrome

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The winter-over syndrome is observed in inhabitants of research stations in Antarctica (and north polar bases like Thule, Alert and Eureka) who "winter-over" throughout the Antarctic (or Arctic) winter. It consists of a variety of behavioral and medical disturbances, including irritability, depression, insomnia and irritable bowel syndrome.[1]

Possible contributing causes of winter-over syndrome include stress, social isolation, subsyndromal seasonal affective disorder and polar T3 syndrome.[2][1]


  1. ^ a b Palinkas LA. "On the ice: Individual and group adaptation in Antarctica" (PDF). Retrieved 2011-11-04. 
  2. ^ Palinkas LA, Reed HL, Do NV (1997). "Association between the Polar T3 Syndrome and the Winter-Over Syndrome in Antarctica". Antarctic Journal of the United States Review 1997. Retrieved 2011-11-04.