Our obgyn told us that there are scientific studies that have proven that men who wear boxers are something like 80% more likely to have a healthier/higher sperm count. Apparently the heat and restriction of briefs can actually kill off and or limit sperm production after continued use. I think you'd have to be a brief's wearer for years though before it started to cause problems.

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Tigriz
Mom to Alex - 1/21/06