Check this page (not mine!) out to ensure you get more than the one sided view of the ABO diet projected here. http://www.earthsave.org/news/bloodtyp.htm
Remember not to be blinded by any information. Someone I knew was "sold" this diet as she was told it would help cure her of cancer. Instead, she lost so much weight, her body did was not able to fight the cancer. I don't blame her for wanting to believe though.