A new study, published in Diabetes Care, has shown sleep may reduce the risk of developing Type 2 diabetes in obese teens.

New Zealand's obesity rate surged ahead in the 12 years to 2009, a major nutrition report released today by the Ministry of Health shows.

Scientists blame the increase on the spread of a Western-style diet, leading to rising levels of obesity.

A diabetes drug alleged to be a factor in 100,000 cases of heart failure is being withdrawn from the NZ market.

Pregnant women who eat a lot of sugar-laden food could be compromising their babies' development, new New Zealand research suggests.

It's just over a year since Maori Party co-leader Tariana Turia had her stomach-stapling operation. Since then, she's lost 32kg and picked up a few new hobbies.

The ASA has upheld a complaint against a supermarket advertisement for A2 milk, saying the beneficial claims are not backed up by evidence.

Pacific island nations now occupy the top seven places in the World Health Organisation's global obesity rankings.

Figures to be released at an obesity summit today indicate 72 per cent of Australians aged over 25 will have a weight problem in 2025.

Six weeks ago rugby legend Buck Shelford was an overweight, pie-eating bloke for whom exercise was a distant memory.