After decades of rising child obesity rates, New Zealand may have finally turned a corner - at least when it comes to preschoolers. In part two of a five-part series on children's health, the Herald looks at tentative gains in tackling obesity - including a promising discovery about children's sleep patterns.

People who work in childhood obesity in New Zealand are used to relentless, bleak statistics.

When Kiwi kids start school, a third of them are overweight or obese. Those rates have been rising for decades, and carry on into adulthood, leading to chronic health conditions and stretching the public


Poverty, not culture, the main factor

'Sick to death of nutrition messages'

'Sugar tax needs to stay on the table'