When it comes to marijuana, Australia is trailing behind the US where recreational use has been legalised in a number of states. And yet the boom in legal cannabis gummies there seems to have resulted in an increase of illicit edible use back home. Health reporter Natasha May tells Matilda Boseley why more people are turning to edibles instead of alcohol, but experts warn they cannot be sure what they are consuming You can support the Guardian at theguardian.com/fullstorysupport