Tell me more ×  Various sources (mostly TV stations, at least in
my region) are constantly warning about the danger of cold shock
response, if someone goes to water too quickly.  But on the
other hand, Bear Grylls is famous for not passing any occasion
of jumping naked into ice-cold water. The sudden heat loss by
swimming in such cold water (near 0 degree) must be immensely
greater that when you go from heat air into c.a 20 degree water
in summer. And I've never heard of him having cold shock
response.  So, is the cold shock response a real danger for
someone used to cold water? Or it's just a problem for people
who never take cold showers and swim only in summer? Or it's
just an urban myth, popularized by media in cucumber season?
share|improve this question add comment  2 Answers  up vote 2
down vote accepted  According to this article, Avijit Datta and
Michael Tipton: Respiratory responses to cold water immersion:
neural pathways, interactions, and clinical consequences awake
and asleep,  A fall in skin t