How did New Zealand avoid America's opioid crisis?

A day after an Oklahoma judge ordered drug company Johnson & Johnson to pay 572 million dollars for its role in the US opioid epidemic, another big player has admitted it is involved in settlement talks Drugmaker Purdue Pharma says it's negotiating a multi billion-dollar settlement with lawyers for local and state governments, that would resolve about 2,000 lawsuits against the company, and force it into bankruptcy. Dr Cathy Strong from Massey University's School of Communication became aware of the alarming death rates from opioid abuse while on research leave in the US, and she speaks with Karyn Hay about her findings.