Dr Magda Robinson, BM is a London-based medical doctor who specialises in obesity management and using nutrition to prevent common Western diseases. She looks at high-protein, low-carbohydrate diets to see if they are effective and safe. Evidence is presented that they are no more effective than weight loss diets with normal levels of protein and carbohydrate, and that they are associated with increased risks of disease and mortality. An alternative diet in included which leads to successful weight loss and multiple health benefits.