Bisphenol-A Study: Polycarbonates=Source
May 26 2009 | Rise Above Plastics,
by scott harrison
The study doesn't get in to the effects, if any, of the bisphenol-A on our bodies, but does provide some interesting reading.
Read the Harvard press release here.
You can peruse a PDF of the full-blown study, as published by the journal Environmental Health Perspectives here.