As for sources Fyron:
http://www.ncbi.nlm.nih.gov/entrez/q...arch&DB=pubmed
Vom Saal is one of the primary world researchers on effects of estrogenic compounds. He focuses mostly on BPA, which doesn't translate directly to beef, but is important none the less. I'll see if I can narrow down one of his papers in particular that highlights the particular trend of industrial research versus NIH funded research.
Shockingly enough industry rarely finds anything wrong with their practices. If you want a "real-life" example just look at Merck.
Industry has the luxury of being able to withhold their research findings because it comes from private funding. I'm personally of the belief that all scientific research should be public domain regardless of the source of funding.
It's clear that you share the common American mindset that "it can't hurt me" or "why should I change?" I'm not going to argue with you anymore past this post. If you'd like to continue the conversation more, I'll give you a email address or we can send messages to each other.