More young adults are getting fat than other age groups, according to a study that has tracked 11,000 Australians for 12 years.

A South African immigrant who faces deportation for being "too fat" has launched a public appeal to help raise cash to fight his rare case.

Attempts to develop a one-size-fits-all obesity drug will fail, according to Australian researchers who say there are too many genetic defects for a single solution.

Tucking into lots of calories at the start of the day can actually assist weight loss, a study has shown.

The campaign announced by Coca-Cola to help reduce obesity has been criticised by some as too little too late. I respectfully disagree.

Coca-Cola is one of the world's truly great brands. It might be no more than fizzed flavoured water and sugar - a great deal of sugar - but last century it was the quintessential American product that literally conquered the globe.

With people unable to resist as portion sizes rise, regulations may be the answer, says Lenny R. Vartania.

Drinks giant Coca-Cola will today address New Zealand's obesity problem with a new campaign.

Jane Gibson is half the woman she used to be, and she couldn't be happier.

Research says that drinking trim milk could be making people bigger, not smaller.

The low price of unhealthy deep-fried chicken has made it a mainstay of takeaway food in low-income Otara in South Auckland.

It may be cheap, but getting your parents to look after your children may be storing up trouble, Roger Dobson discovers.

Junk food could be addictive and stimulate cravings in much the same way as an illicit drug, a brain scanning study shows.

Obesity is contributing to the growing rate of caesarean section births in New Zealand.

Children are being tricked into unhealthy food choices by marketers who make misleading nutritional claims and use celebrities to endorse their products, according to research by an anti-obesity action group.

The 5:2 fasting diet is the publishing sensation of the year and has catapulted former fashion editor Mimi Spencer to new realms of success. She explains the how and why to Richard Godwin.

New Zealand adults are on average the second heaviest among 50 countries, a health list reveals - prompting warnings of a looming medical crisis for some Kiwis.

Being overweight and drinking alcohol dramatically increases the risk of developing fatty liver disease, according to a study presented at the International Liver Congress.

The rapid increase in obesity in South Auckland shows the need for healthy-eating programmes to be re-introduced, a diabetes expert says.

Programme on teenagers fighting flab overcomes clutter of cliches to succeed and Maori TV offers hope.

Scientists are starting to unravel the mystery of moreishness - why some snacks seem impossible to eat in small amounts.

Kelly Osbourne is still critical of her body despite losing about weight.

Forcing the hefty to pay more is not only an indignity, it's manifestly unfair.

In a unique natural experiment, researchers have observed how a nation that lost an average of 5kg per head over five years contributed to a halving of the death rate.

Genes play major role in deciding whether we're a couch potato or active bunny, a new study shows.

The rise in the number of overweight children in Western countries may be as much to do with their genes as their diet and exercise levels.

The world's first airline to charge passengers by weight - rather than a normal fare structure - says the policy helps raise obesity awareness and improve public health.

Obesity may be caused by an imbalance of gases in the body, rather than over-eating or a lack of exercise, researchers claim.