Posted by Kendall Raine on March 20, 2001 at 13:48:07:
With that cheery subject line, here is a site for a recent report from Switzerland which some of you may find of interest:
www.annals.org//issues/v134nl/pdf/200101020-00009.pdf
Basically, it says people with PFO's get hit more often than those without and that diving in general, rather than PFO's per se, is associated with brain lesions. Yum. Enjoy.