Dietitian Anca Vereen explains to Dave what role our genetics play a in our weight and body shape and how this can assist us in making the right food and exercise choices for our genetic make-up.

New research  reveals that 1 in 3 people in Australia go on a diet every year, with the average Australian having tried four unsuccessful diets and 12% admitting to always being on a diet. While 1 in 5 Australians confess they can’t lose weight whatever they do, there is hope for serial dieters, as a simple mouth swab could be the answer to taking control of our weight.