The low carb high fat diet has become the latest craze sweeping across the nation. As countless South Africans continue to battle the bulge, the Human Sciences Research Council is hosting a seminar on healthy diets at the CSIR's conference centre in pretoria today. Speakers include Professor Tim Noakes who has become a household name for encouraging a high fat diet to improve weight loss. Joining us on the line is HSRC's Research Director for population health - Professor Charles Hongoro