Exclusive: Robbie Mason wanted to give up but just didn’t know how. Then he and his partner joined Australia’s first hydromorphone trialFollow our Australia news live blog for latest updatesGet our morning and afternoon news emails, free app or daily news podcastRobbie Mason started using heroin when he was a child.His hands are dotted with pinprick scars. He used for so long he stopped being able to inject into the veins in his arms, so he turned to his fingers. Continue reading Read this story