There's no silver bullet when it comes to improving our physical activity levels.
Health New Zealand's latest review of the state of our health has found one in three adults carries enough weight to affect their health.
Exercise New Zealand Chief Executive Richard Beddie says we're one of the worst in the western world when it comes to being active.
He told Mike Hosking that if information was key, we could solve it overnight.
Beddie says the answer is easy —move your body— but the behaviour is the complicated bit in terms of how they get people to do that.
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