A man who lost nearly half his bodyweight after changing his diet says supermarkets could do more to encourage people to eat healthily.
Martin Woodsford was 27 stone at his heaviest and developed serious health problems including diabetes, sciatica and high blood pressure.
- Watch Paul Davies' full report below:
Nearly a quarter (23%) of adults in Wales are classed as obese and one in four children are overweight or obese
The Royal Society for Public Health have teamed up with Slimming World to call for supermarkets to do more to tackle obesity.
Their Health On The Shelf report claims that marketing tactics are driving sales of unhealthy products.
The British Retail Consortium say supermarkets already do a lot to try to encourage people to eat healthily.
The Welsh Government wants to reduce obesity in Wales over the next ten years.
They're due to launch their 'Healthy Weight: Healthy Wales' strategy in October.