I had this article shown to me about 6 months ago. I'm so glad I know this now and made the switch to A2 especially now that I am pregnant with my first. I had always been a little sensitive to milk and so has DH but not anymore. Have a read...
http://thebovine.wordpress.com/2009/03/20/the-devil-in-the-milk-dr-thomas-cowan-on-how-a2-milk-is-the-answer-to-the-mystery-of-why-even-raw-milk-sometimes-does-not-seem-to-be-enough-of-an-improvement-over-store-bought/











