Co-director of health and policy at the University of Sydney's brain and mind centre, professor Ian Hickie, says stronger doses of cannabis is an issue in other jurisdictions where cannabis has already been legalised.

<p>Co-director of health and policy at the University of Sydney's brain and mind centre, professor Ian Hickie, says stronger doses of cannabis is an issue in other jurisdictions where cannabis has already been legalised.</p>

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<p>Listen to the best bits of 3AW Mornings &amp; exclusive interviews here - and don't forget to tune in live between 8.30am and midday. [http://www.3aw.com.au/](http://www.3aw.com.au/)</p>