Quote:
Originally Posted by Trace14
Interesting conversation going on here, still going "hmmmmmmm"  My thought was about "Free divers" who can dramatically hold their breath and slow the heart rate down to reach great depths. I expect the colder water has something to do with that, like the cold water drowning events. Okay I'll stop babbling 
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Yes my understanding is in humans the diving reflex only persists in adults who have trained themselves to dive, otherwise it's more a baby reflex.