There are concerns tax cuts on heated tobacco will make the product much easier for young people to access.
Customs quietly cut 50% from the excise tax at the start of the month.
Customs Minister Casey Costello says it's a trial, aiming to give smokers a cheaper alternative.
Health Coalition Aotearoa spokesperson Chris Bullen told Ryan Bridge it comes with a risk.
He says once the price drops, a new product becomes a lot more accessible for young people with disposable incomes.
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