On Dec 13, 2007, at 11:59 AM, ravi wrote:
> So, ask only those adult men who:
>
> * were recently circumcised
> * are sexually active and have been in the recent past
But adult men get circumcised because they've converted to a new religion, or who knows what else - to please a sexual partner? Since you couldn't hold those things constant, the comparison is meaningless.
Doug