[Brigitte]

Thanks for adding your thoughts to this question, much appreciated! I've tried to find the original source of what I posted but couldn't, however if you do a search something like "effects of increased estrogen in men" you come up with a whole lot of material, much of it negative. And I don't just mean erectile dysfunction stuff... here is one link for example:
http://www.lifeextensionvitamins.com/mahomoth.html