1 00:00:00,520 --> 00:00:04,040 Speaker 1: Already, and this is the Daily This is the Daily 2 00:00:04,160 --> 00:00:06,840 Speaker 1: os Oh Now it makes sense. 3 00:00:14,760 --> 00:00:17,560 Speaker 2: Good morning, and welcome to the Daily OS. It's Thursday, 4 00:00:17,600 --> 00:00:20,720 Speaker 2: the second of April. I'm Emma Gillespie, I'm Billy fitz 5 00:00:20,720 --> 00:00:25,640 Speaker 2: Simon's vaping causes cancer. Three words that might sound like 6 00:00:25,680 --> 00:00:29,520 Speaker 2: something you probably already knew, but for the first time, 7 00:00:29,680 --> 00:00:33,239 Speaker 2: we actually have research to confidently back the claim. And 8 00:00:33,280 --> 00:00:36,000 Speaker 2: that is thanks to an international team of experts led 9 00:00:36,000 --> 00:00:38,639 Speaker 2: by Ossie scientists, and you're going to hear from one 10 00:00:38,680 --> 00:00:41,440 Speaker 2: of them in today's Deep dive. 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M. 24 00:01:24,760 --> 00:01:28,880 Speaker 1: Every time I've done reporting on vaping and wanted to 25 00:01:28,920 --> 00:01:33,080 Speaker 1: talk about the side effects, I've always struggled because there 26 00:01:33,240 --> 00:01:40,679 Speaker 1: has never been really concrete evidence about vaping causing cancer yep. 27 00:01:40,959 --> 00:01:43,800 Speaker 1: But that kind of all changed this week with this 28 00:01:43,920 --> 00:01:46,920 Speaker 1: new report. So what was this report that we're talking 29 00:01:46,920 --> 00:01:47,480 Speaker 1: about today? 30 00:01:47,640 --> 00:01:50,160 Speaker 2: So we had this report drop this week, led by 31 00:01:50,440 --> 00:01:53,600 Speaker 2: UNSW researchers, but with a whole team of experts from 32 00:01:53,600 --> 00:01:56,200 Speaker 2: Australia and around the world. And you're right, we've been 33 00:01:56,240 --> 00:01:59,520 Speaker 2: waiting for so long to learn more about vaping. This 34 00:01:59,600 --> 00:02:02,560 Speaker 2: is a relatively new practice. Vapes have only been in 35 00:02:02,600 --> 00:02:05,520 Speaker 2: Australia since about two thousand and eight, and we know 36 00:02:05,600 --> 00:02:11,280 Speaker 2: that there are other harms associated with vap use, like addiction, poisoning, burns, 37 00:02:11,360 --> 00:02:14,440 Speaker 2: both internal and external. But this is the first time 38 00:02:14,720 --> 00:02:16,880 Speaker 2: we've had what's been described as one of the most 39 00:02:17,040 --> 00:02:21,320 Speaker 2: detailed efforts yet to understand the cancer risk associated with 40 00:02:21,360 --> 00:02:24,960 Speaker 2: e cigarettes. So we have this unequivocal link that vaping 41 00:02:25,240 --> 00:02:28,400 Speaker 2: is likely to cause lung and oral cancer, and that 42 00:02:28,480 --> 00:02:31,280 Speaker 2: really changes the conversation now that we're able to have 43 00:02:31,480 --> 00:02:33,200 Speaker 2: about the harms of vaping. 44 00:02:33,840 --> 00:02:36,560 Speaker 1: And I feel like every time we talk about vaping. 45 00:02:36,919 --> 00:02:40,280 Speaker 1: We often talk about it in relation to smoking, and 46 00:02:40,320 --> 00:02:44,320 Speaker 1: it's often used as a comparison point. So we might say, well, 47 00:02:44,400 --> 00:02:46,800 Speaker 1: vaping is better than smoking, which I know from all 48 00:02:46,800 --> 00:02:48,560 Speaker 1: the reporting that The Daily Oss has done in the 49 00:02:48,600 --> 00:02:52,880 Speaker 1: past that that's not actually true. And I believe that 50 00:02:53,000 --> 00:02:56,600 Speaker 1: this report is just looking at vaping. It's not looking 51 00:02:56,639 --> 00:03:00,400 Speaker 1: at whether it's worse or better than smoking. It's identifying 52 00:03:00,440 --> 00:03:03,560 Speaker 1: that vaping in itself is an issue and we should 53 00:03:03,560 --> 00:03:06,520 Speaker 1: look at that as an isolated product and behavior. 54 00:03:06,639 --> 00:03:08,840 Speaker 2: Yeah, and there's very little research that has done that 55 00:03:09,000 --> 00:03:11,440 Speaker 2: or stripped the two away from each other to just 56 00:03:11,520 --> 00:03:15,440 Speaker 2: focus on e cigarettes. Now, those duel studies have happened 57 00:03:15,520 --> 00:03:18,960 Speaker 2: for good reason, because vapes are known to be this 58 00:03:19,080 --> 00:03:23,080 Speaker 2: gateway to smoking. Smoking is known to cause cancer, so 59 00:03:23,120 --> 00:03:25,120 Speaker 2: there is that natural relationship and that's why a lot 60 00:03:25,120 --> 00:03:27,480 Speaker 2: of research has gone into that. We also have decades 61 00:03:27,480 --> 00:03:30,160 Speaker 2: of smoking studies. You know, smoking has been studied for 62 00:03:30,200 --> 00:03:33,160 Speaker 2: more than one hundred years. E cigarettes, like I mentioned, 63 00:03:33,240 --> 00:03:37,200 Speaker 2: are relatively new, so research has kind of neglected the 64 00:03:37,320 --> 00:03:41,400 Speaker 2: extent to which vapes cause harm or cause cancer in 65 00:03:41,480 --> 00:03:44,840 Speaker 2: their own right. And of course there's so much time, money, effort, 66 00:03:44,880 --> 00:03:48,880 Speaker 2: and coordination that goes into research. But finally we have 67 00:03:49,160 --> 00:03:52,360 Speaker 2: this really interesting report and the study that we are 68 00:03:52,400 --> 00:03:56,800 Speaker 2: talking about today was led by unsw cancer researcher Adjunct 69 00:03:56,840 --> 00:04:01,320 Speaker 2: Professor Bernard Stewart. Bernard joins me now, welcome to the podcast. 70 00:04:01,760 --> 00:04:04,040 Speaker 4: I'm very pleased to be here. Thank you very much. 71 00:04:04,600 --> 00:04:09,360 Speaker 2: This study is making global headlines. First of all, congratulations, 72 00:04:10,080 --> 00:04:13,600 Speaker 2: it's really resonated with our audience these findings. But for 73 00:04:13,680 --> 00:04:16,960 Speaker 2: those who haven't quite read beyond the headlines or seen 74 00:04:17,000 --> 00:04:19,880 Speaker 2: this story yet, can you explain to us what this 75 00:04:19,920 --> 00:04:21,080 Speaker 2: study actually found. 76 00:04:21,720 --> 00:04:27,040 Speaker 5: Yes, this study involved a review of all the available 77 00:04:27,440 --> 00:04:33,680 Speaker 5: medico scientific literature without any selection process as the start, 78 00:04:33,800 --> 00:04:38,839 Speaker 5: and determined that e cigarettes in their own right are 79 00:04:39,120 --> 00:04:43,840 Speaker 5: likely to cause lun and oral cancer, even though we 80 00:04:43,880 --> 00:04:47,599 Speaker 5: can't at this stage specify what the burden of disease 81 00:04:47,800 --> 00:04:50,000 Speaker 5: is in numerical form. 82 00:04:50,480 --> 00:04:53,560 Speaker 2: A lot of our audience read this story on our 83 00:04:53,560 --> 00:04:56,599 Speaker 2: Instagram this week. They saw the headlines that you know, 84 00:04:56,600 --> 00:05:00,279 Speaker 2: an Aussie study has found vaping causes cancer, and many 85 00:05:00,320 --> 00:05:05,159 Speaker 2: responded with comments such as well, duh, yes, obviously, of course, 86 00:05:05,640 --> 00:05:09,159 Speaker 2: but can you explain the importance of what this sort 87 00:05:09,160 --> 00:05:12,120 Speaker 2: of research tells us? Why does it matter. 88 00:05:12,680 --> 00:05:17,839 Speaker 4: To have this evidence, It matters because it's another insight 89 00:05:18,120 --> 00:05:22,360 Speaker 4: into the harm that baby might do. It may well 90 00:05:22,400 --> 00:05:26,080 Speaker 4: be that in terms of a burden of cancer, the 91 00:05:26,160 --> 00:05:31,839 Speaker 4: greatest disaster is amongst those who, unfortunately both vape and 92 00:05:32,080 --> 00:05:37,760 Speaker 4: smoke over long periods of time. That's acknowledged what hasn't 93 00:05:37,800 --> 00:05:44,760 Speaker 4: been previously demonstrated, specifically that rather than acting in constant 94 00:05:44,839 --> 00:05:49,400 Speaker 4: with smoking, vaping is capable of causing cancer in its 95 00:05:49,480 --> 00:05:54,640 Speaker 4: own right. And that's the specific single matter we were addressing. 96 00:05:55,200 --> 00:05:58,520 Speaker 2: Yeah, I suppose we've spent many years kind of guessing 97 00:05:58,680 --> 00:06:02,760 Speaker 2: or assuming that vaping was linked to these kinds of harms. 98 00:06:02,800 --> 00:06:07,360 Speaker 2: But to have that definitive, confident finding, I think does 99 00:06:07,440 --> 00:06:10,119 Speaker 2: open up the conversation. A lot has been said about 100 00:06:10,160 --> 00:06:13,640 Speaker 2: the chemicals in vapes. I suppose this feeds into that 101 00:06:14,400 --> 00:06:17,920 Speaker 2: great unknown that we've felt for many years about you know, 102 00:06:17,960 --> 00:06:21,800 Speaker 2: what those chemicals actually do, what harm they might be causing. 103 00:06:22,279 --> 00:06:26,640 Speaker 2: What are the cancer causing chemicals actually in vape aerosols? 104 00:06:26,800 --> 00:06:29,880 Speaker 2: What in there is doing the worst damage. 105 00:06:30,440 --> 00:06:36,080 Speaker 4: This is an insightful and immediate question. The chemicals that 106 00:06:36,120 --> 00:06:39,960 Speaker 4: are in the aerosol inhaled by vapors, first of all, 107 00:06:40,000 --> 00:06:44,800 Speaker 4: involved nicotine in approximately the same amount or greater than 108 00:06:45,200 --> 00:06:50,680 Speaker 4: is inhaled by cigarette smackers. Nicotine is crucial because having 109 00:06:50,720 --> 00:06:55,360 Speaker 4: inhaled nicotine, that chemical has broken down in the body. 110 00:06:55,480 --> 00:06:59,880 Speaker 4: The technical term is metabolized, and the metabolites the breakdown 111 00:07:00,360 --> 00:07:04,039 Speaker 4: of nicotine in the body are capable of reacting with 112 00:07:04,160 --> 00:07:09,600 Speaker 4: chemicals called nitrite, and this generates what are called nitrosamines, 113 00:07:10,080 --> 00:07:15,200 Speaker 4: and the nitrosamine derivatives of nicotine and its metabolite nor 114 00:07:15,320 --> 00:07:21,480 Speaker 4: nicotine are undoubtedly carcinogenic in humans. The second aspect is 115 00:07:21,720 --> 00:07:28,600 Speaker 4: metals generated by the vaporization element in itself. The e 116 00:07:28,760 --> 00:07:33,160 Speaker 4: cigaret vaporizes are so called E liquid, and that involves 117 00:07:33,200 --> 00:07:38,920 Speaker 4: an alleged current passing through metal filaments, and that vaporizes 118 00:07:39,400 --> 00:07:43,840 Speaker 4: certain metals that are inhaled by the vapor. Finally, there 119 00:07:43,920 --> 00:07:49,840 Speaker 4: are flavoring agents in e cigarettes, and these agents and 120 00:07:49,880 --> 00:07:54,520 Speaker 4: their breakdown products involve the production of more what are 121 00:07:54,560 --> 00:08:00,880 Speaker 4: called violatile organic compounds. So this cocktail of carcinogen, all 122 00:08:00,920 --> 00:08:05,280 Speaker 4: of these are inhaled by the vapor, and in terms 123 00:08:05,320 --> 00:08:08,800 Speaker 4: of impact, it's not possible to say which one of 124 00:08:08,840 --> 00:08:13,880 Speaker 4: those is the most dangerous. It's the cocktail itself that 125 00:08:14,120 --> 00:08:16,640 Speaker 4: is cancer causing and dangerous. 126 00:08:17,120 --> 00:08:19,320 Speaker 2: We'll be back with more of today's interview with Professor 127 00:08:19,320 --> 00:08:21,920 Speaker 2: Bernard Stewart right after a quick word from today's sponsor. 128 00:08:24,480 --> 00:08:28,120 Speaker 2: So interesting to hear it described in that way, because 129 00:08:28,520 --> 00:08:32,640 Speaker 2: I guess there are people who assume that smoking nicotine 130 00:08:32,679 --> 00:08:36,080 Speaker 2: in whatever form is dangerous. But hearing you actually break 131 00:08:36,120 --> 00:08:40,000 Speaker 2: down how the technology of an e cigarette contributes to 132 00:08:40,280 --> 00:08:43,800 Speaker 2: the carcinogens that are being consumed is so fascinating. It 133 00:08:43,920 --> 00:08:47,680 Speaker 2: leads me to my next question about the marketing of vapes. 134 00:08:48,120 --> 00:08:52,880 Speaker 4: Vapes were initially marketed as a means of smoking cessation 135 00:08:53,559 --> 00:08:58,960 Speaker 4: that implicitly were better than or more effective than nicotine 136 00:08:59,000 --> 00:09:03,360 Speaker 4: replacement terribly by other means. It was only subsequent to 137 00:09:03,440 --> 00:09:07,520 Speaker 4: that that the notion that was introduced that vaping in 138 00:09:07,559 --> 00:09:14,079 Speaker 4: itself is somehow quote safer than tobacco smoking. And then 139 00:09:14,280 --> 00:09:18,880 Speaker 4: finally was the reality, due to marketing practice, that it 140 00:09:19,080 --> 00:09:23,320 Speaker 4: wasn't smokers who were taking up vapes, either to give 141 00:09:23,400 --> 00:09:29,079 Speaker 4: up smoking or to replace smoking. It was kids. And 142 00:09:29,200 --> 00:09:33,520 Speaker 4: these things have been marketed to children. The flavors in them, 143 00:09:33,880 --> 00:09:38,440 Speaker 4: hot nicotine, bubblegum and the like are clearly not designed 144 00:09:38,480 --> 00:09:40,719 Speaker 4: to appeal to fifty year olds who want to give 145 00:09:40,800 --> 00:09:47,079 Speaker 4: up smoking. They're deliberately marketed and successfully marketed to youth, 146 00:09:47,640 --> 00:09:51,400 Speaker 4: and these people are susceptible not only to the harm 147 00:09:51,440 --> 00:09:55,640 Speaker 4: from vaping, but they may transition and are more likely 148 00:09:55,720 --> 00:09:58,280 Speaker 4: to take up crth smoking. 149 00:09:59,040 --> 00:10:01,079 Speaker 2: We have a young audience, you know, most of our 150 00:10:01,120 --> 00:10:05,560 Speaker 2: listeners will fall into a demographic that is extremely familiar 151 00:10:05,600 --> 00:10:09,520 Speaker 2: with the site of vapes people around them vaping. We 152 00:10:09,880 --> 00:10:13,319 Speaker 2: have seen a ban here in Australia since twenty twenty 153 00:10:13,360 --> 00:10:15,760 Speaker 2: four July twenty twenty four, when we became the first 154 00:10:15,760 --> 00:10:18,040 Speaker 2: country in the world to ban the sale of vapes 155 00:10:18,080 --> 00:10:22,600 Speaker 2: outside pharmacies. What do these findings tell us and what 156 00:10:22,720 --> 00:10:25,480 Speaker 2: is the significance of those findings in relation to that band? 157 00:10:26,040 --> 00:10:28,720 Speaker 4: So far as I can see, the problem is not 158 00:10:28,800 --> 00:10:32,520 Speaker 4: whether the ban goes far enough, but whether the ban 159 00:10:32,800 --> 00:10:38,440 Speaker 4: is enforced, and that at the moment, in my perception, 160 00:10:39,080 --> 00:10:44,760 Speaker 4: is the problem. Clearly, vapes are available illegally, as it 161 00:10:44,840 --> 00:10:51,400 Speaker 4: happens through outlets in every suburb in Australia and in 162 00:10:51,440 --> 00:10:55,760 Speaker 4: all the regional and remote areas as well, and what's 163 00:10:55,840 --> 00:11:00,400 Speaker 4: required is not so much a further ban and an 164 00:11:00,520 --> 00:11:06,240 Speaker 4: enforcement of the regulations already in place and those regulations 165 00:11:06,280 --> 00:11:11,160 Speaker 4: are commendable. There's no question that in our free society 166 00:11:11,600 --> 00:11:16,840 Speaker 4: one would move to any situation of banning vapius altogether 167 00:11:16,960 --> 00:11:19,920 Speaker 4: in the way that we supposedly do for heroin or 168 00:11:19,960 --> 00:11:25,600 Speaker 4: other drugs. But we are interested in the medico scientific 169 00:11:25,600 --> 00:11:30,120 Speaker 4: community in seeing the evidence of the type to which 170 00:11:30,320 --> 00:11:35,440 Speaker 4: we have contributed in this paper being used by regulators 171 00:11:35,960 --> 00:11:41,319 Speaker 4: to enforce the current regulations, which include, as you've summarized 172 00:11:41,679 --> 00:11:44,880 Speaker 4: the fact that in Australia at least vapes are only 173 00:11:44,920 --> 00:11:47,640 Speaker 4: available on a prescription, you draw. 174 00:11:47,440 --> 00:11:51,119 Speaker 2: A parallel to the history of cigarettes through this research. 175 00:11:51,240 --> 00:11:54,480 Speaker 2: It took almost one hundred years before smoking was officially 176 00:11:54,520 --> 00:11:58,880 Speaker 2: linked to cancer. What can we learn from the speed 177 00:11:58,920 --> 00:12:01,480 Speaker 2: of this learning compared to how long it took for 178 00:12:01,600 --> 00:12:04,360 Speaker 2: us to have that definitive evidence. What should we take 179 00:12:04,400 --> 00:12:07,200 Speaker 2: from this and what do you want governments and policymakers 180 00:12:07,240 --> 00:12:09,840 Speaker 2: to take from this to action next steps. 181 00:12:10,559 --> 00:12:14,360 Speaker 4: Clearly, we as a society and such as regulators, we 182 00:12:14,520 --> 00:12:19,640 Speaker 4: as a society have to avoid the disastrous situation from 183 00:12:19,760 --> 00:12:23,920 Speaker 4: the late on in sixties through to the nineteen nineties 184 00:12:24,040 --> 00:12:30,720 Speaker 4: or later, when tobacco companies were saying, of course tobacco 185 00:12:30,840 --> 00:12:35,680 Speaker 4: may cause harm, What we need is clearer evidence, more evidence, 186 00:12:36,120 --> 00:12:40,360 Speaker 4: and we should do more research. And this notion quote 187 00:12:40,520 --> 00:12:45,240 Speaker 4: we should do more research unquote was a vehicle that 188 00:12:45,320 --> 00:12:51,440 Speaker 4: the lobbyists for the industry used to discourage any regulatory 189 00:12:51,480 --> 00:12:56,080 Speaker 4: intervention such as shutting down advertising or restricting sales to 190 00:12:56,200 --> 00:13:02,240 Speaker 4: kids of cigarettes. Now we have, through this publication, and 191 00:13:02,400 --> 00:13:06,400 Speaker 4: not alone through this publication, knowledge about the harm that 192 00:13:06,440 --> 00:13:10,200 Speaker 4: they've stiff and to that extent, with cancer as the 193 00:13:10,200 --> 00:13:15,000 Speaker 4: most feared disease in the population, it may discourage the 194 00:13:15,160 --> 00:13:19,559 Speaker 4: use of these products, and reduced use of these products 195 00:13:19,920 --> 00:13:22,040 Speaker 4: will lead to better health in the community. 196 00:13:22,480 --> 00:13:24,760 Speaker 2: You're speaking to a lot of young people right now. 197 00:13:24,880 --> 00:13:28,120 Speaker 2: If you could only tell them one thing about this research, 198 00:13:28,400 --> 00:13:31,400 Speaker 2: or they could only take away one piece of information 199 00:13:31,600 --> 00:13:34,560 Speaker 2: from all of this about vaping and its impact, what 200 00:13:34,679 --> 00:13:36,160 Speaker 2: would you want the message to be. 201 00:13:36,880 --> 00:13:39,720 Speaker 4: I'm hoping that the young people who happen to be 202 00:13:39,840 --> 00:13:45,079 Speaker 4: listening will know that there's a further indication that vapes 203 00:13:45,160 --> 00:13:50,240 Speaker 4: are dangerous. Whether they're more dangerous than cigarettes is beside 204 00:13:50,280 --> 00:13:54,439 Speaker 4: the point. They're dangerous in their own right, and they're 205 00:13:54,520 --> 00:13:58,520 Speaker 4: worth giving up. It's known that nicotine is addictive, and 206 00:13:58,559 --> 00:14:02,839 Speaker 4: they're hard to give up. That's acknowledged. Get help from 207 00:14:02,920 --> 00:14:08,400 Speaker 4: your GP teacher, your parents, or anyone else in whom 208 00:14:08,440 --> 00:14:12,480 Speaker 4: you have confidence, and they will support you in giving 209 00:14:12,559 --> 00:14:13,280 Speaker 4: up this habit. 210 00:14:13,720 --> 00:14:15,559 Speaker 2: Professor, thank you so much for your time. It was 211 00:14:15,559 --> 00:14:16,679 Speaker 2: great to hear you insights. 212 00:14:16,920 --> 00:14:21,040 Speaker 1: Thank you very much, such an interesting conversation and an 213 00:14:21,040 --> 00:14:23,960 Speaker 1: important study that I'm sure we will be talking about 214 00:14:23,960 --> 00:14:27,120 Speaker 1: for years to come. Emma, thank you for doing that interview. 215 00:14:27,360 --> 00:14:29,800 Speaker 1: Thank you, Billy, and thank you so much for listening 216 00:14:29,840 --> 00:14:32,720 Speaker 1: to this episode of The Daily Ods. Like Sky said 217 00:14:32,840 --> 00:14:35,720 Speaker 1: earlier in this episode, if you can press follow on 218 00:14:35,760 --> 00:14:39,320 Speaker 1: Spotify or Apple, it does really help new audiences find 219 00:14:39,400 --> 00:14:41,880 Speaker 1: us and get the news from The Daily Ods. We'll 220 00:14:41,920 --> 00:14:44,720 Speaker 1: be back later today with the evening headlines, but until then, 221 00:14:44,800 --> 00:14:50,840 Speaker 1: we hope you have a good day. My name is 222 00:14:50,880 --> 00:14:54,320 Speaker 1: Lily Maddon and I'm a proud Dunda Bundelung Calcuttin woman 223 00:14:54,400 --> 00:14:58,720 Speaker 1: from Gadigal Country. The Daily Os acknowledges that this podcast 224 00:14:58,880 --> 00:15:01,120 Speaker 1: is recorded on the lands of the Otegal people and 225 00:15:01,160 --> 00:15:04,720 Speaker 1: pays respect to all Aboriginal and torrest Rate island and nations. 226 00:15:05,000 --> 00:15:07,920 Speaker 1: We pay our respects to the first peoples of these countries, 227 00:15:08,080 --> 00:15:09,240 Speaker 1: both past and present,