Two million NZers expected to be obese by 2038

New research shows that on current trends, the average New Zealander will be classified as obese within 15 years. And in 20 years, the number of clinically obese people will top two million. The research has been done by Dr Ross Wilson is from the University of Otago's Centre for Musculoskeletal Outcomes Research. He talks to Susie Ferguson.