Sunday 29 November 2015, with Philippa Tolley
Sharon Brettkelly asks what is being done to halt the obesity crisis
The obesity crisis is costing the country $1bn a year and threatens to cripple the health system.
Next year, it's predicted to overtake smoking as the country's biggest health issue. One in three adults and one in ten children are obese.
The figure for Maori and Pacific people is much higher.
Sharon Brettkelly explores suggested solutions
Coming Up on Insight
8:12 am Sunday 6 December: Insight: Politics and the Public Service
Academics and the union representing public servants worry the Public Service is under increasing political pressure.
They say political advisers in ministerial offices need a clear set of rules to govern their conduct.
Brent Edwards explores the relationship between politicians and government workers.