Nigel Damon from the Council for Homeless Persons joins the show to guest host and share his own story. - We speak with Dr. Colin Mendelsohn from the Australian Tobacco Harm Reduction Association (ATHRA) about the role of vaping nicotine in reducing tobacco related harm, but also the role of regulation on creating strange public health scenarios, where idealism tramples pragmatism.Ash was in Sydney for the Students for Sensible Drug Policy (SSDP) International Overdose Awareness Day (IOAD) event