[goblin89]

I wonder if particular gut flora[0] in those who swallows ocean water influences[1] the personality type dominant among surfers.

[0] http://www.huffingtonpost.com/2015/06/18/superbug-surfer-stu...

[1] all the recent studies linking gut bacteria to brain functions, like http://www.theatlantic.com/health/archive/2015/06/gut-bacter...