Dr David G Harper is an associate professor at the University of Fraser Valley, cancer researcher, nutrition counsellor, and advocate in Canada. Dr Harper is on the Scientific Advisory Board of the Canadian Clinicians for Therapeutic Nutrition that advocates for evidence-based nutritional policy and recommendations and recognizes the therapeutic benefits of low-carbohydrate, high-fat diets as one option for improved health. He is author of The BioDiet. For more information, you can call +1.604.669.9194, email david@biodiet.org or visit his website at biodiet.org.