Polar T3 syndrome explained

Polar T3 syndrome is a condition found in polar explorers, caused by a decrease in levels of the thyroid hormone T3.[1] [2] Its effects include forgetfulness, cognitive impairment and mood disturbances. It can exhibit itself in a fugue state known as the Antarctic stare.[3] [4] [5]

It is regarded as one of the contributory causes of winter-over syndrome.[3]

Notes and References

  1. Reed HL, Silverman ED, Shakir KM, Dons R, Burman KD, O'Brian JT . Changes in serum triiodothyronine (T3) kinetics after prolonged Antarctic residence: the polar T3 syndrome . The Journal of Clinical Endocrinology and Metabolism . 70 . 4 . 965–974 . April 1990 . 2318952 . 10.1210/jcem-70-4-965 .
  2. Palinkas LA, Suedfeld P . Psychological effects of polar expeditions . Lancet . 371 . 9607 . 153–163 . January 2008 . 17655924 . 10.1016/S0140-6736(07)61056-3 . 9601133 .
  3. Web site: Association between the Polar T3 Syndrome and the Winter-Over Syndrome in Antarctica. Palinkas LA, Reed HL, Do NV . Antarctic Journal of the United States Review 1997. 1997. 2011-11-04.
  4. Web site: Treating the Antarctic blues. Emily Stone. November 9, 2004.
  5. Web site: Polar T3 Disorder. Natural History Museum. 17 April 2008.

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