Rick, you made me think of this site {below}
- I have the book and a lot of the foods mentioned as good/bad for my blood type fit for me.
I feel better or worse in general depending on some food choices.

http://www.dadamo.com/

[ Welcome to the first science that understands you as a biochemical individual. Following decades of ongoing research and clinical work, Dr. D’Adamo created The Blood Type Diets, a way of eating and living that has transformed the health of millions.

His first book, the New York Times best-seller Eat Right 4 Your Type, started a health revolution that continues unabated over ten years later. Now, with more than 3 million copies in print in over 50 languages, Eat Right 4 Your Type celebrates its 10th year as an unprecedented non-stop bestseller in hardcover.]

FAQs-
http://www.dadamo.com/faq/smartfaq.cgi