Kiwi kids have made an unlikely plea to PM Jacinda Ardern: ban junkfood marketing.

COMMENT: Obesity highlights need for review of social media influencers.

A NZ researcher says obesity, climate change and undernutrition can be tackled at once.

He's cooked on TV, for the Queen and now Tauranga kids. Made with funding from NZ On Air.

Babies born via elective C-sections more likely to be overweight by the time they turn 1.

The better a person can smell, the more likely they are to be slim, NZ study finds.

Woman who shed 50kg warns of obesity-cancer links.

Cutting-edge research by the Liggins Institute could also help with other health problems.

Health professionals have been urged to back Govt's proposed Zero Carbon Act.

COMMENT: It's up to parents to help curb our kids getting fat, says Niki Bezzant.

University of Otago Professor of Public Health says lollies and fizzy drink should be replaced with oranges and water at sports clubs. Sam Casey argues we're pointing the finger in the wrong direction. / The Country

Schools are still selling sugary drinks and kids are being bombarded with junk food ads.

Reducing obesity and tooth decay made difficult with adverts on social media.

"NZ children could live shorter lives than their parents."

The most worrying trend was in serving size, says researcher.

BMI. It's the measurement we love to hate.

COMMENT: It can be difficult for us to know how much energy we're consuming.

"You cannot exercise your way out of [this] tooth decay epidemic," says Kiwi dentist.

Children as young as 10 presenting with type 2 diabetes.

A young NZ woman has spoken about struggling with side effects of gastric bypass surgery.

Ex-Master Chef judge wants to help others with Type 2 diabetes improve their health.

Active kids have less excess fat, a study has shown.

Could being a man or being raised by a solo parent have an impact on your weight?

Eat sugar and fat, get fat? There's much more to obesity than that, writes Jamie Morton.

The fall has been put down to new initiatives focusing on the issue.

A woman turns her health around after a simple request from her daughter.

COMMENT: Research into sugary drinks tax finds no evidence it would be effective.

COMMENT: The food industry's vested interests will never support a levy.

Clare Reynolds switched from regular to diet fizz during pregnancy. But was it any better?