What Can Be Changed? (IMAGE) BMJ Group Caption Reducing the size of large food portions, packaging and tableware could help to tackle obesity, argue experts in The BMJ this week. Credit @ 2015 BMJ Publishing Ltd Usage Restrictions Free for journalists to use as long as they credit: @ 2015 BMJ Publishing Ltd License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.