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Working out at the gym

Emi Suaniu-Sofai has lost nearly 30 kilograms in six years after taking part in her church’s Enua Ola healthy living programme. Photo: ( RNZ / Sharon Brettkelly )

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