What O+ Blood Type Should Not Eat? A Critical Look at the Diet
                                
                                
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                                    3 min read                                
                            
                                According to the controversial blood type diet theory popularized by naturopath Peter D'Adamo, individuals with O+ blood type are advised to avoid specific foods, claiming they can negatively impact health and digestion. However, a 2014 study by the University of Toronto debunked the core claims, finding no scientific evidence to support the diet's effectiveness.