{"id":9532,"date":"2026-04-23T12:11:27","date_gmt":"2026-04-23T10:11:27","guid":{"rendered":"https:\/\/snusforumet.se\/?p=9532"},"modified":"2026-04-23T12:11:28","modified_gmt":"2026-04-23T10:11:28","slug":"konstantinos-farsalinos-nicotine-pouches-harm-reduction","status":"publish","type":"post","link":"https:\/\/snusforumet.se\/en\/konstantinos-farsalinos-nicotine-pouches-harm-reduction\/","title":{"rendered":"Konstantinos\u00a0Farsalinos: The scientist who\u00a0won&#8217;t\u00a0let politics bury the evidence\u00a0"},"content":{"rendered":"\n<p><strong>In this instalment of our Harm Reduction Heroes series,&nbsp;Snusforumet&nbsp;talks to Konstantinos&nbsp;Farsalinos, the Greek cardiologist and nicotine researcher whose sweeping new review of nicotine pouches concludes they are likely the safest tool yet developed for smokers who can&#8217;t or won&#8217;t quit \u2013 and who pulls no punches about the ideological forces he believes are distorting the science.<\/strong>&nbsp;<br><br>When Konstantinos&nbsp;Farsalinos&nbsp;sat down to&nbsp;write&nbsp;his latest paper, he had a template already waiting: a review he had published a decade earlier on&nbsp;e-cigarettes&nbsp;that asked almost&nbsp;exactly the same&nbsp;question.&nbsp;&nbsp;<\/p>\n\n\n\n<p>The approach&nbsp;was&nbsp;the same. Only the product has changed.&nbsp;<\/p>\n\n\n\n<p>The&nbsp;Greece-based&nbsp;cardiologist, affiliated&nbsp;as an external research associate&nbsp;with the University of West Attica and the University of Patras, has spent more than a decade producing peer-reviewed research on reduced-risk nicotine products&nbsp;\u2013&nbsp;over 110 studies in total.&nbsp;&nbsp;<\/p>\n\n\n\n<p>His&nbsp;long experience&nbsp;gives him a&nbsp;deep familiarity with the evidence base, as well as&nbsp;a persistent frustration with what he sees as a field too often captured by ideology.&nbsp;<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>People who are ideologically opposed to nicotine will never stop making arguments against it.<\/p>\n<\/blockquote>\n\n\n\n<p>\u201cPeople who are ideologically opposed to nicotine will never stop making arguments against it,\u201d he explains.&nbsp;<\/p>\n\n\n\n<p>\u201cI think it&nbsp;is important to bring back common sense and an evidence-based approach to public health discussions. Because the debate in the EU today is completely irrational.\u201d&nbsp;<\/p>\n\n\n\n<p>His most recent attempt to&nbsp;bring back common sense&nbsp;is through&nbsp;publishing a&nbsp;comprehensive narrative review of nicotine pouches&nbsp;in&nbsp;<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/41686395\/\" target=\"_blank\" rel=\"noreferrer noopener\"><em>Internal and Emergency Medicine<\/em><\/a><em>.<\/em>&nbsp;<\/p>\n\n\n\n<p>With&nbsp;dozens of&nbsp;references spanning chemical composition, toxicology, biomarkers of exposure, pharmacokinetics, and population-level usage patterns,&nbsp;<a href=\"https:\/\/snusforumet.se\/wp-content\/uploads\/2026\/04\/Nicotine-pouches_-an-aid-in-smoking-cessation-or-a-new-public-health-hazard.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">the February 2026 paper<\/a>,&nbsp;Farsalinos&nbsp;believes, is&nbsp;the most&nbsp;comprehensive&nbsp;synthesis of available evidence&nbsp;to date on nicotine pouches.&nbsp;<\/p>\n\n\n\n<p>\u201cOf course, it\u2019s going to be outdated in three or four years,\u201d he says with a laugh.&nbsp;<\/p>\n\n\n\n<p>\u201cBut for the time being, it covers basically all the available literature.\u201d&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>A one-stop shop for the science<\/strong>&nbsp;<\/h2>\n\n\n\n<p>The logic behind such a sweeping review is partly scientific, partly strategic, but still a valid and valuable public health strategy.&nbsp;&nbsp;<\/p>\n\n\n\n<p>Fragmented research creates opportunities for cherry-picking&nbsp;\u2013&nbsp;for advocates on either side to seize the studies that fit their position and discard the rest.&nbsp;&nbsp;<\/p>\n\n\n\n<p>A single document covering all dimensions of the debate makes that\u00a0harder and\u00a0is something that can be handed to a politician or regulator with confidence that they will find what they need.\u00a0<\/p>\n\n\n\n<p>The review&#8217;s central finding is stark: nicotine pouches sit at the very bottom of the tobacco product risk continuum.&nbsp;&nbsp;<\/p>\n\n\n\n<p>\u201cNicotine pouches could represent a promising harm reduction tool with a risk profile likely adjacent to pharmaceutical nicotine replacement therapies,\u201d&nbsp;Farsalinos&nbsp;concludes in the paper\u2019s abstract.&nbsp;<\/p>\n\n\n\n<p>Because they&nbsp;contain&nbsp;no tobacco leaf and use pharmaceutical-grade nicotine instead, they&nbsp;eliminate&nbsp;the agricultural impurities, heavy metals, and tobacco-specific nitrosamines that&nbsp;remain&nbsp;present even in carefully manufactured Swedish snus,&nbsp;which is subject to&nbsp;standards&nbsp;dictated by the country\u2019s&nbsp;food&nbsp;safety&nbsp;legislation.&nbsp;&nbsp;<\/p>\n\n\n\n<p>Chemical analyses consistently show harmful constituents are either undetectable or present at negligible levels. Biomarker studies in humans show that people who switch from cigarettes to pouches experience reductions in toxicant exposure comparable to quitting smoking entirely.&nbsp;<\/p>\n\n\n\n<p>For the longer-term picture,&nbsp;Farsalinos&nbsp;applies the &#8220;bridging&#8221; principle: in the absence of decades of epidemiological data specific to pouches, the extensive evidence on Swedish snus&nbsp;\u2013&nbsp;which has not been linked to lung cancer, significant cardiovascular disease, or elevated risk for most cancers&nbsp;\u2013&nbsp;provides a reasonable worst-case proxy.&nbsp;&nbsp;<\/p>\n\n\n\n<p>Pouches, being chemically cleaner, can only be safer.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u2018We are 99.9&nbsp;percent&nbsp;sure\u2019<\/strong>&nbsp;<\/h2>\n\n\n\n<p>Which raises&nbsp;an&nbsp;obvious question: if the evidence is this clear, why does the paper still hedge?&nbsp;<\/p>\n\n\n\n<p>Farsalinos&nbsp;is candid about the gap between what the&nbsp;evidence shows and what can survive peer review in a politicised field.&nbsp;&nbsp;<\/p>\n\n\n\n<p>&#8220;In reality, things are much more certain&nbsp;from a&nbsp;common sense&nbsp;perspective&nbsp;than&nbsp;what&#8217;s&nbsp;presented&nbsp;in the manuscript,&#8221; he says.&nbsp;&nbsp;<\/p>\n\n\n\n<p>Getting a paper published often requires accepting language that implies more uncertainty than the evidence&nbsp;warrants&nbsp;\u2013&nbsp;the alternative being that the study never reaches the&nbsp;scientific domain.&nbsp;&nbsp;<\/p>\n\n\n\n<p>The value having a citable piece of scientific literature that carries weight in regulatory debates outweighs the need to include language&nbsp;indicating&nbsp;almost&nbsp;100 percent certainty.&nbsp;<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>There\u2019s no&nbsp;way that a pouch is going to be more harmful than snus.<\/p>\n<\/blockquote>\n\n\n\n<p>&#8220;There\u2019s no&nbsp;way that a pouch is going to be more harmful than snus,\u201d he says.&nbsp;&nbsp;<\/p>\n\n\n\n<p>\u201cWe are 99.9 percent sure about it simply because of common sense. But you&nbsp;can&#8217;t&nbsp;express certainty without direct&nbsp;epidemiological&nbsp;evidence.\u201d&nbsp;<\/p>\n\n\n\n<p>The published paper is therefore a compromise \u2013 not between what the evidence shows, but between &#8220;common sense\u201d and what can survive the political pressures&nbsp;and technical scientific details&nbsp;embedded in the peer review process.&nbsp;<\/p>\n\n\n\n<p>&#8220;It&#8217;s not a report I wrote and released on my website,\u201d he says.&nbsp;&nbsp;<\/p>\n\n\n\n<p>\u201cIt&#8217;s&nbsp;something that underwent peer review. That makes the argument very, very strong.&#8221;&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>The&nbsp;\u2018wait 30 years\u2019&nbsp;fallacy<\/strong>&nbsp;<\/h2>\n\n\n\n<p>Another&nbsp;frequent&nbsp;argument for restricting&nbsp;nicotine pouches&nbsp;is that they are&nbsp;simply too new:&nbsp;a lack of&nbsp;long-term epidemiological data&nbsp;warrants&nbsp;implementing&nbsp;restrictions out of caution.&nbsp;&nbsp;<\/p>\n\n\n\n<p>Farsalinos&nbsp;has little patience for this argument.&nbsp;<\/p>\n\n\n\n<p>&#8220;The argument will never fall away,&#8221; he says.&nbsp;&nbsp;<\/p>\n\n\n\n<p>When e-cigarettes were new,\u00a0he\u00a0recalls,\u00a0critics said to wait ten years. Ten years passed; the goalposts moved to twenty\u00a0years.\u00a0He\u00a0tells of\u00a0a toxicologist in Japan who told him that if, in thirty years, reduced-risk products were proven less harmful than cigarettes,\u00a0we\u00a0would &#8220;think about it.&#8221; Not\u00a0act, but\u00a0think about it.\u00a0<\/p>\n\n\n\n<p>&#8220;If we had this mentality in medicine,&nbsp;we\u2019d&nbsp;still be&nbsp;stuck&nbsp;in the nineteenth century,\u201d he says.&nbsp;&nbsp;<\/p>\n\n\n\n<p>\u201cThere is not a single medication that requires twenty or thirty years of&nbsp;clinical&nbsp;evidence before being prescribed. In medicine, we always make recommendations based on current evidence.&#8221;&nbsp;<\/p>\n\n\n\n<p>Farsalinos&nbsp;remains&nbsp;confounded that&nbsp;the countries most committed to precautionary logic about pouches continue to&nbsp;permit&nbsp;the unrestricted sale of&nbsp;deadly&nbsp;cigarettes.&nbsp;&nbsp;<\/p>\n\n\n\n<p>\u201cIt\u2019s&nbsp;a&nbsp;complete irony,\u201d he says in&nbsp;exasperation.&nbsp;<\/p>\n\n\n\n<p>&#8220;The&nbsp;countries that&nbsp;ban&nbsp;pouches&nbsp;at the same time allow the legal sales of cigarettes, which&nbsp;is&nbsp;by far the most lethal nicotine-containing product.&#8221;&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Youth, flavours, and the prohibition fallacy<\/strong>&nbsp;<\/h2>\n\n\n\n<p>No debate about reduced-risk nicotine products escapes the youth argument: that flavours attract young people, and these products therefore pose a gateway risk justifying restriction.&nbsp;&nbsp;<\/p>\n\n\n\n<p>Farsalinos&nbsp;does not dismiss concern about youth use&nbsp;\u2013&nbsp;the review calls for strict age restrictions and continuous monitoring. But he challenges the claim that flavours are the primary driver, and that prohibition is an effective remedy.&nbsp;<\/p>\n\n\n\n<p>Data from the&nbsp;<a href=\"https:\/\/www.cdc.gov\/mmwr\/volumes\/71\/ss\/pdfs\/ss7105a1-H.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">US&nbsp;CDC\u2019s&nbsp;National Youth Tobacco Survey<\/a>&nbsp;shows that when adolescents were asked why they used e-cigarettes and could cite as many reasons as they liked, flavours ranked seventh&nbsp;\u2013&nbsp;cited by just eleven percent.&nbsp;&nbsp;<\/p>\n\n\n\n<p>&#8220;How can these people suggest that it&#8217;s because of flavours that kids are using these products?&#8221;&nbsp;he asks.&nbsp;<\/p>\n\n\n\n<p>Denmark banned flavoured e-cigarettes in 2022; within two years, youth vaping in the 15\u201329 age group&nbsp;<a href=\"https:\/\/snusforumet.se\/en\/danish-flavour-ban-fail-nicotine-restrictions-backfire\/\" target=\"_blank\" rel=\"noreferrer noopener\">had increased by seventy percent<\/a>, and&nbsp;the vast majority of&nbsp;vapers were using fruit&nbsp;flavours, which were supposed to&nbsp;have been&nbsp;banned two years before.&nbsp;&nbsp;<\/p>\n\n\n\n<p>&#8220;The argument is debunked by the data,\u201d he says.&nbsp;&nbsp;<\/p>\n\n\n\n<p>According to&nbsp;Farsalinos, curbing youth uptake is a matter of better enforcement, not&nbsp;full-blown prohibition.&nbsp;<\/p>\n\n\n\n<p>\u201cIt\u2019s a matter of enforcement,\u201d he says.&nbsp;<\/p>\n\n\n\n<p>\u201cWhen enforcement&nbsp;doesn\u2019t&nbsp;work,&nbsp;that&nbsp;doesn\u2019t&nbsp;mean prohibition is the solution. Prohibition only makes things worse.&nbsp;It never&nbsp;achieves&nbsp;the desired effect.&nbsp;It\u2019s&nbsp;nonsense.\u201d&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>The industry-capture argument<\/strong>&nbsp;<\/h2>\n\n\n\n<p>For those who dismiss tobacco harm reduction as an industry narrative,&nbsp;Farsalinos&nbsp;points to a telling comparison.&nbsp;&nbsp;<\/p>\n\n\n\n<p>Pharmaceutical research is&nbsp;almost entirely&nbsp;funded and controlled by the companies that sell the drugs&nbsp;\u2013&nbsp;yet regulators accept this model without much dissent. The tobacco&nbsp;and nicotine&nbsp;industry, by contrast, funds&nbsp;only&nbsp;a small fraction of independent research on harm-reduced nicotine products.&nbsp;&nbsp;<\/p>\n\n\n\n<p>Most is produced by academic institutions with no industry involvement; in the case of Swedish snus, the foundational epidemiological work came&nbsp;largely from&nbsp;Karolinska&nbsp;Institutet.&nbsp;<\/p>\n\n\n\n<p>&#8220;There is no need to&nbsp;\u2018trust the industry\u2019,&#8221; he says.&nbsp;&nbsp;<\/p>\n\n\n\n<p>\u201cIt\u2019s&nbsp;not a requirement to accept evidence supporting tobacco harm reduction.&nbsp;We have independent data&nbsp;\u2013&nbsp;a lot of data&nbsp;\u2013&nbsp;and&nbsp;the ability to produce independent data.&#8221;&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>A return to common sense<\/strong>&nbsp;<\/h2>\n\n\n\n<p>The review concludes that nicotine pouches&nbsp;represent&nbsp;a viable&nbsp;exit from combustible tobacco&nbsp;that are&nbsp;substantially less&nbsp;hazardous to&nbsp;consumers\u2019 health.&nbsp;&nbsp;<\/p>\n\n\n\n<p>Realising that potential requires smart regulation: ensuring product availability for adult smokers, enforcing age restrictions, capping high-nicotine products, and monitoring usage. None of that requires prohibition. All of it requires taking the evidence seriously.\u00a0<\/p>\n\n\n\n<p>&#8220;I just want to bring common sense back into the debate,\u201d says&nbsp;Farsalinos.&nbsp;<\/p>\n\n\n\n<p>&#8220;The purpose of the work is for the whole community&nbsp;\u2013&nbsp;not only scientists, but also regulators, politicians, consumers&nbsp;\u2013&nbsp;to understand what&#8217;s happening.&nbsp;This is what public health is all about.\u201d&nbsp;<\/p>\n\n\n\n<p>Whether they choose to look is another matter.&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this instalment of our Harm Reduction Heroes series,&nbsp;Snusforumet&nbsp;talks to Konstantinos&nbsp;Farsalinos, the Greek cardiologist and nicotine researcher whose sweeping new review of nicotine pouches concludes&#8230;<\/p>\n","protected":false},"author":11,"featured_media":9533,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[22],"tags":[469,623,296,273,476],"class_list":["post-9532","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-science","tag-harm-reduction-heroes","tag-konstantinos-farsalinos","tag-nicotine-2","tag-nicotine-pouches","tag-smoking-cessation"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - 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