7YO no probs, 34yo dh, no probs, 30yo brother...never heard of any probs (except one zipper incedent as a child...
), 50yo father no probs, 84yo grandfather...no probs and 18mo...no probs.
I've never actually known anyone to have problems with no circ. My step-father always "jokes" that he was cut a little too much. I'm not sure it's a joke though