What foods should AB+ blood type avoid? A Guide to the Blood Type Diet
                                
                                
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                                    5 min read                                
                            
                                A 2013 review published in the *American Journal of Clinical Nutrition* found no scientific evidence to support the claims of the blood type diet. However, for those curious about the theory's principles, proponents suggest that people with AB+ blood type should avoid certain foods like corn, beef, and processed meats.