398. The Truth About the Vaping Crisis episode artwork

EPISODE · Nov 21, 2019 · 44 MIN

398. The Truth About the Vaping Crisis

from Freakonomics Radio · host Freakonomics Radio + Stitcher

A recent outbreak of illness and death has gotten everyone’s attention — including late-to-the-game regulators. But would a ban on e-cigarettes do more harm than good? We smoke out the facts. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

A recent outbreak of illness and death has gotten everyone’s attention — including late-to-the-game regulators. But would a ban on e-cigarettes do more harm than good? We smoke out the facts.

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398. The Truth About the Vaping Crisis

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Unless you've been hibernating, you've probably been hearing about the dangers posed by e-cigarettes and vaping. Two more people have died from vaping-related illnesses. This time in Minnesota. This brings the nationwide toll to 31 deaths across 22 states.

Public health officials report there are nearly 1,300 probable or confirmed injuries related to vaping in 49 states. These cases involve a severe respiratory ailment that's been labeled E-Valley, where E-cigarette or vaping product use associated lung injury. Doctors in Detroit recently performed double lung transplant surgery on one E-Valley victim. Even though people have been vaping for years, the deaths are new, and the news has been met with something between alarm and panic.

The federal government today warned Americans not to use E-cigarettes following several mysterious deaths linked to vaping. The caution is understandable. More than 40 million people around the world now vape up from just 7 million less than a decade ago. In the US, roughly one in five high school kids vape.

I think that when it comes to especially the health of our children, we cannot afford to take risks. That is former US surgeon general Vivek Morti. And already millions of children are using E-cigarettes who should have never been exposed to these devices. But while the US is trying to beat back the tide of vaping, there's another country that's been encouraging it.

In the UK, they've actually embraced electronic cigarettes as a harm reduction strategy. But what about E-Valley and the risk of death? I don't know of any cases of respiratory failure that have been reported in the UK. How can that be?

Today on Freakonomics Radio, a tale of two public health initiatives. One that leans towards abstinence. We don't have the luxury, I think, right now, of trying to parse which flavors might be okay, which may not be okay. The other harm reduction.

It certainly beats 7,000 chemicals that you get from cigarettes. What's known and not known about vaping? That's coming up right after this. From Stitcher and Dunner Productions, this is Freakonomics Radio, the podcast that explores the hidden side of everything.

Here's your host, Stephen Dunner. Before there were e-cigarettes, there were cigarettes. Just how popular were cigarettes? In the 1950s, 45% of adult Americans said they smoked.

And that's a self-reported number, the actual number may have been even higher. Back then, cigarette ads were still allowed on TV. Cigarettes had some influential endorsers. They made smoking sound pretty darn good.

The doctor reports no adverse effects to the nose, throat or sinuses from smoking chest reveals. Now, don't you want to try a cigarette with a record like this? But eventually, a mountain of scientific evidence emerged, much of which had been suppressed by cigarette companies, showing that cigarette smoking greatly increases the risk for a number of cancers as well as cardiovascular disease, stroke and other bad outcomes. In many countries, smoking is still incredibly common according to the World Health Organization, 76% of adult men in Indonesia still smoke cigarettes.

In Russia, it's 59%, in China, 47%. But in other countries, the smoking rate has fallen steeply and continues to fall. In the US and the UK, for instance, only about 20% of adult males now smoke. This decline is considered one of the greatest public health victories of all time.

How did it happen? So really, the sort of first shock to the system was the spread of information that's smoking is bad for you, which caused a big drop in smoking but mostly among the well-educated. That's Jonathan Gruber, a healthcare economist at MIT. If you look at smoking rates by education group, it fell precipitously for the most educated and much more slowly for the least educated.

Beyond the information channel, there were regulations that led to much higher prices and taxes, and that, Gruber says, especially helped drive down smoking among younger people. There's lots of evidence that use our extra sensitive to price, which sort of makes sense, right? You've done a lot of money. In the late 1990s, more than 35% of American high schoolers smoked.

Today, that figure is less than 10%. That said, cigarette smoking in the US, as in many other countries, remains the leading cause of preventable death. The Centers for Disease Control attributes one of five American deaths, smoking. That's nearly half a million deaths per year, or 1,300 people a day.

If you add up all the people who die from alcohol and illegal drugs and car accidents and suicide and murder, those are still outnumbered by smoking deaths. How can this be? How can something so demonstrably dangerous be voluntarily consumed by so many people? In a word, nicotine, the stimulant found in the leaf of the tobacco plant.

When nicotine does is it targets neural receptors in the brain. That's Dorothy Hotsakami, a psychiatry professor at the University of Minnesota. She is a prominent voice in cancer prevention and a member of several National Scientific Advisory Boards dealing with tobacco use and other drug abuse. Targeting those neural receptors leads to the release of a number of chemicals in the brain.

And these chemicals affect mood as well as cognition. And it also actually makes people want to seek more nicotine. In other words, nicotine is highly addictive. The craving for nicotine has helped shape civilization.

The tobacco plant, thought to be native to the Americas, has been smoked or chewed for at least 2,000 years, often tied to religious or cultural ceremonies. European explorers to America brought tobacco back home in the 16th century, and its use spread quickly. This demand led to massive tobacco plantations back in America, which in turn fed the demand for slave labor, much of the early American economy was organized around tobacco. It was even used as currency.

But here's the thing, nicotine, tobacco's most valuable component, the ingredient that makes it so hard to quit smoking, nicotine is not the biggest villain of the story. What is problematic is that nicotine is delivered in a really dirty, deliberate system, and that's the cigarette, which contains a number of toxicants. Among the toxicants that get into your lungs when you smoke a cigarette are benzene, ammonia, arsenic, and lead. And what about the nicotine itself?

It's not harmless by any means. Nicotine causes addiction. It has negative effects on the fetus. It might increase the risk factors for cardiovascular disease, and also it apparently does affect the developing brain.

But it's certainly not the most harmful constituent in a tobacco product. Nicotine also has some proven benefits. Yes, certainly nicotine might have some beneficial effects on cognition, and that can help sustain attention, for example. It may go even beyond that.

Paul Newhouse, a psychiatry professor at Vanderbilt, told us a few years ago that nicotine therapy may prove useful for a number of ailments. Things like memory loss, disorders, Alzheimer's disease, we've looked at ADHD, other investigators have looked at everything from Tourette's syndrome to anxiety disorders to depression. And so I think that the full potential of nicotine and nichotenic drugs is really not even fully known yet. Others are not so hopeful.

I think the potential benefits of nicotine are best controversial, to be honest. Robert West is a professor of Health Psychology at University College London and editor of the Journal Addiction. There was a lot of research back in the 80s and 70s around the idea that nicotine might help with concentration and be a cognitive enhancer. But that kind of research didn't really bear fruit.

Whether it's helpful in other conditions, I mean some people suggested Parkinson's, I think is moot, to be quite honest. Even if it were beneficial, I doubt very much whether it would be as effective as the other treatments we already have. Well, there probably isn't as much known about the area as we would like. What is known about nicotine is this.

It is so desirable, so addictive, that millions of hand millions of people are willing to inhale cigarette smoke, including the lead arsenic, ammonia and benzene, in order to get the nicotine. Not that they necessarily want to. Roughly 70% of US adult smokers say they want to quit smoking. So you know, one of the goals then is to actually try to reduce the addiction to these highly toxic products and really shift smokers over to less harmful products.

Less harmful nicotine products have been around for years. Gum and patches and nasal sprays. How effective are they? Not very.

One analysis found that just 14% of smokers are able to quit when they use one method of nicotine replacement therapy. The number increases to 17% when using say a nicotine patch and gum at the same time. So what are the problems with the smoking cessation for ecological tools is that they are unappealing. You know, they don't have some of the sensory effects that people like when they're smoking their cigarettes.

How about a vaccine against nicotine addiction? That is something Hotsakami worked on for years. In the early proof of concept study, the results were promising, but ultimately came a large clinical trial. And so the results from this phase three clinical trial, they were not positive.

So that was unfortunate, but that's not to say that the nicotine vaccine is a bad idea. I think it just needs to be developed further. So for years, that's where things stood. Millions and millions of smokers, most of whom didn't want to smoke but couldn't stop.

Nicotine replacement therapies that weren't very effective, a vaccine that wasn't ready, and then in 2007, a new product came to market. They've since come to be called ENDS, electronic nicotine delivery systems, more commonly known as e-cigarettes. When e-cigarettes first came on the market, my first assumption was that this is just another tobacco industry ploy that they can say is safer, but really isn't and just gets more people to use tobacco. That's Michael Segal, a physician and professor at the Boston University School of Public Health.

He has been researching tobacco issues for more than 30 years. After studying the issue, it became clear to me that this was very different. And the tobacco companies actually weren't involved at all. They didn't get into the picture until 2011.

And in fact, this wasn't much safer product and was helping many people to quit smoking. The earliest e-cigarettes didn't have good battery life or deliver their nicotine efficiently, but the technology evolved with hundreds of brands putting out a variety of vaping devices, some of which could be used for vaping other, more entertaining substances. Here's how the National Institute on Drug Abuse summarizes the genre. Electronic cigarettes are battery operated devices that people use to inhale an aerosol, which typically contains nicotine, though not always, flavorings and other chemicals.

They can resemble traditional tobacco cigarettes, cigars, or pipes, or even everyday items like pens or USB memory sticks. E-cigarettes proved incredibly popular, for a number of reasons. There's physical stimuli, there's holding the cigarette, there's feeling the throat hits, seeing the smoke come off, there's social stimuli, smoking with other people in social settings. A new word entered the global vocabulary, vaping, or ingesting the vaporized content of these devices.

I think more than anything, what vaping offers to smokers is an identity. You don't have an identity as a nicotine patch user. You know, nicotine patch users don't get together in groups and have forums and conventions for the weekend. But vapers do.

It wasn't long before a vaping champion was crowned. Jewel Labs founded in 2015 and headquartered in San Francisco. The Jewel e-cigarette was sleek and minimalist, and it came in flavors including mango, cucumber, and mint. In 2017, Jewel was the US leader in market share, selling one of every three e-cigarettes.

By the end of 2018, the company was valued at $38 billion and it sold off a 35% stake to Altria, the tobacco giant, previously known as Philip Morris. Why did Jewel become so much more popular than its rivals? Michael Segal has one answer. Jewel has a very different nicotine formulation that makes it much more addictive.

It's a nicotine salt. It's absorbed much more rapidly into the bloodstream, and because of that, it simulates the pattern that you get with a real cigarette. And that is what makes Jeweling so addictive. And how does Jeweling, or vaping any nicotine-based e-cigarette, compare to combustible cigarettes when it comes to toxicity?

Dorothy Hotsacom again. Delivering nicotine via the electronic cigarette is far less toxic than the cigarette, but you still have constituents delivered to foreign constituents delivered to the lung. In the testing that's been done on e-cigarette aerosol, in many cases they find no detectable levels of any unwanted chemicals. In other cases, there are some chemicals, but only a few.

And that doesn't mean that the products are safe. Those chemicals could cause problems if used over the long term, but the toxicological profile of these products indicates that they're much, much safer than cigarettes. It's not going to be a harmless product, but it certainly beats 7,000 chemicals that you get from cigarettes. The strongest evidence that demonstrates how these products are safer are clinical studies that have been done where smokers have switched to e-cigarettes, and there's been a dramatic improvement in their respiratory function both subjectively through their reported symptoms, and objectively through a spirometry testing which has shown an improvement in lung function among these now ex-smokers.

And what about the long term effects of vaping versus smoking cigarettes? What's the data there? There's no long term data because the products have not been on the market long enough to be able to do mortality studies to show that using e-cigarettes as opposed to cigarettes is going to lower mortality. The fact that we don't have long term studies doesn't mean that it's not going to save lives.

We know it's going to save lives based on the short term clinical data that we do have. So based on the current evidence, e-cigarettes sound like a substantial improvement over cigarettes, at least on some key dimensions. This is the sort of trade off known in public health circles as harm reduction. When people engage in risky behavior, there are at least two ways to help.

One is to simply point out how risky their behavior is and encourage them to stop. This is the abstinence approach. Abstinence may look good on paper and amasing perfectly logical to a public health official or a policy maker who's never been tempted by any risky behavior themselves. But when it comes to something like cigarette smoking and nicotine addiction, as the data have shown, abstinence is a tough sell.

Harm reduction takes a different approach. This means acknowledging that some people are going to engage in risky behavior and it'll be a net improvement if you can come up with a less risky version of that behavior. That's the idea behind needle exchanges for heroin addicts and free condoms for teenagers or putting seat belts in cars rather than banning cars on the grounds of the two dangers, or getting cigarette smokers to use e-cigarettes instead. To a cancer researcher like Dorothy Hotsakami, this notion did not come easily.

What was her original goal? Well, initially it was illumination of the use of tobacco products altogether. But because so many people are addicted to the product, then my focus became, well, let's take a look at harm reduction. You know, if people can't quit, then let's think about products that would reduce harm.

If someone like Dorothy Hotsakami could embrace, however reluctantly, e-cigarettes as harm reduction. You'd think it would be a slam dunk for US policymakers. But it wasn't. In fact, e-cigarettes are currently not allowed to be marketed or promoted as smoking cessation tools, the way nicotine gum or patches are.

Why not? Okay, this is a little complicated, but it goes like this. The Food and Drug Administration was only granted jurisdiction over tobacco products, believe it or not, in 2009. E-cigarettes were still relatively new.

Rather than classify them as tobacco products, the FDA classified them as drug delivery devices, which have much stronger restrictions than cigarettes, and the agency subsequently declared them illegal. The result was that their sale was essentially banned. The e-cigarette companies could have pursued approval as a drug delivery device. Instead, they sued, and won, which led the FDA to reclassify e-cigarettes as tobacco products.

This lifted the ban on their sale, but it also meant they couldn't be promoted as smoking cessation devices since, according to the FDA, an e-cigarette basically is a cigarette. Now, this isn't to say that plenty of smokers didn't take up vaping. They did. A recent analysis in the Annals of Internal Medicine found that 54% of e-cigarette users also smoke regular cigarettes, but that 30% of vapors had quit smoking, at least for now.

But if you are an e-cigarette company and you can't market your product as a safer alternative to existing smokers, who might you market to instead? Especially if your product comes in flavors like mint and mango and cucumber. Juling has become quite popular among youth. That's right.

While adult smokers trying to quit certainly drove the growth of the vaping industry, another demographic was getting hooked at the same time. Vaping usage in the US today is highest among people aged 18 to 24. Again, keep in mind, e-cigarettes only came into existence 12 years ago. Roughly 20% of high schoolers now vape regularly, more than double the share that smokes cigarettes, which means that a lot of them didn't smoke before e-cigarettes came along.

There's no question that a culture of smoking is being replaced by a culture of vaping. There is a very strong negative correlation between the prevalence of cigarette smoking among youth and the prevalence of vaping among youth. And I think that it's really the youth addiction to nicotine. That's the problem.

It's not vaping itself. It's the fact that kids are addicted. If you just vape for a couple of years as a high school student or college student, there's really not going to be any major adverse health effects. But if you become addicted to vaping and then you end up vaping for many, many years, there could be long-term health effects.

And the vape of choice among young Americans is Jule. Was this intentional on Jule's behalf? If you go to Jule's website today, you'll see its mission is to quote, improve the lives of the world's 1 billion adult smokers by eliminating cigarettes. Note the words, adult and smokers as people who already smoke cigarettes.

So how did Jule become so popular among adolescents who hadn't previously smoked? A study from the Stanford School of Medicine analyzed Jule's Early Marketing Activity, including many tweets that the company had since deleted. The researchers found that quote, Jule's advertising imagery in its first six months on the market was patently youth-oriented. For the next two and a half years, it was more muted, but the company's advertising was widely distributed on social media channels frequented by youth, was amplified by hashtag extensions, and catalyzed by compensated influencers and affiliates.

So I'm no marketing expert, but that sounds pretty intentional. In any case, the sale of Jule's sweet and fruity vaping devices skyrocketed among young people and drove the company's valuation into the billions. It would also make Jule the target, angry parents, late to the game regulators, and everyone trying to figure out why dozens of people were suddenly dying from vaping. We'll be right back with all that.

You were listening to Freakonomics Radio. In the US, there are two distinct populations of people who use e-cigarettes. Older adults, many of whom are trying to give up cigarettes, and young adults, and adolescents, many of whom never smoked. Older adults vaping in order to quit smoking could be considered a public health victory.

Younger people taking up vaping is considered a public health disaster. There really is no evidence that supports what was a widely shared theory a few years ago that if these kids are using e-cigarettes, then that's actually going to prevent them from using regular cigarettes. That again is Vivek Murthy, who served as US surgeon general under President Obama. But it was an argument that was widely made by the proponents of e-cigarettes several years ago.

But Murthy says there isn't sufficient evidence for that argument. In other words, even if vaping is less harmful than smoking, vaping might ultimately lead to smoking cigarettes. The other issue is that even though e-cigarettes are going to be less harmful than traditional cigarettes because again, they're not combusted and they don't have the full array of harmful toxins, that doesn't mean that they're benign. There are other chemicals in them.

And because these were being produced and sold with so little oversight and regulation, we actually didn't know and still don't know in many cases what is in these products. Why has there been so little oversight and regulation? I don't 100% know why, but I do think it's been way too slow. I do think that we have not done the job we need to do as a federal government and already millions of children are using e-cigarettes who should have never been exposed to these devices.

So the British government took pretty much exactly the opposite approach of the US federal government. And so, a few years ago and said, you know, e-cigarettes are probably not the greatest thing in the world for people, but we believe that as a substitute for smoking, they could save a lot of lives. And the British government and their cancer and anti-smoking institutions offer evidence to argue that they have been correct. Yeah.

So the UK did take a different approach in some ways. They were more bullish on the prospect of e-cigarettes being helpful for cessation. But the UK was also very concerned about protecting children and they actually took more regulatory measures, including limiting the amount of nicotine in e-cigarette products, which are things that we did not do here in the United States. They try to go with the problem more with the scalpel as opposed to with the blunt instrument.

And I think we struggled with that here in the United States. Yeah. The UK has a very different approach to electronic cigarettes than we do in the US. That again is Michael Segal, the Boston University tobacco researcher.

And that is that the UK has regulated these products. And most importantly, there's a limit on the amount of nicotine that's allowable. You can only have up to 20 milligrams per milliliter of nicotine in your e-liquid. In the US, there's no limit at all.

So, Jule comes along. They put 54 milligrams per milliliter in their product. And it's no surprise that kids are getting addicted. People may not realize this, but there is Jule in the UK, but they don't have a youth drilling problem.

And the reason for that is you don't have Jule at 54 milligrams per milliliter. You have Jule at 17. In this country, these products have not been embraced for harm reduction, but they've actually embraced electronic cigarettes as a harm reduction strategy. And as a result, the healthcare costs in the UK are going down.

Why have the two countries approached the issue so differently? Here's how Michael Segal sees it. In the US, he says, there's a huge stigma attached to smoking and people who smoke have much less political power. So, it's very easy to kind of dismiss their concerns.

In the UK, I don't think that demonization has occurred. There's a lot less of this kind of provisionist or puritanical view of vices that we have here. There's a lot more concern about smokers and trying to find ways to get them to improve their health and save their lives. And as a result, the UK has not had as much of a problem with youth vaping as we have.

There are youth who vape, but the rates are not nearly as high. And they don't have a lot of youth who are addicted. When Segal says the British youth vaping rates are not nearly as high, well, he is not exaggerating. According to public health England, fewer than 2% of Britons under age 18 use e-cigarettes at least weekly, the vast majority of whom smoke cigarettes as well.

Among young people who don't smoke, vaping is almost non-existent. So I think that the lesson we need to learn is that you don't succeed when you have a popular product by banning it. What works is regulating the product. And I think had the FDA been regulating e-cigarettes from the beginning, had they set safety standards, including maximum nicotine levels, we would never have gotten into this mess.

Jewel could never have occurred because it wouldn't have been allowed to come on the market with that high nicotine level. So Michael Segal's argument is pretty interesting. Health officials in the UK developed a regulatory plan for e-cigarettes that was meant to maximize smoking cessation among adults while limiting youth uptake. In the US, meanwhile, an early attempt at a ban led to a murky regulatory environment that didn't further either of those goals.

It also left a company like Jewel free to make and market a product that many people now agree is too powerful and too popular with too many young people. But the lack of regulation around vaping did more than just that. It also paved the way for a public health tragedy that seemed to come out of nowhere. A fourth death has been reported from a severe lung illness linked to vaping.

This brings the nationwide toll to 31 deaths across 22 states. Actually, as of this recording, the death total is 42 with more than 2,000 injuries across nearly every state, all attributed to E-Valley, E-cigarette or vaping product use associated lung injury. The condition involves chest pain, shortness of breath and vomiting, and it's been overwhelmingly concentrated among young people, nearly 8 and 10 or under 35. Health officials believe some chemicals found in E-cigarette and marijuana vaping products are to blame, but they've not identified any single device product or substance that's responsible.

Because no single device or product was identified, all vaping products were lumped in together as possible culprits, all the different designs and devices and flavors, including the E-cigarettes thought to be the safest. You couldn't blame people for panicking. The federal government today warned Americans not to use E-cigarettes following several mysterious deaths linked to vaping. Michael Seagull again.

The state of Massachusetts enacted an emergency ban of the sale of all vaping products. There are several other states that have enacted an emergency ban on just flavored e-liquids. Jewel came under particularly intense pressure. Its valuation plummeted, its CEO resigned, it laid all hundreds of employees.

All this as its home city of San Francisco was enacting what amounted to a ban on all E-cigarette sales. This temporary moratorium wouldn't be necessary if the federal government had done its job, said San Francisco's city attorney. This is a decisive step to help prevent another generation of San Francisco children from becoming addicted to nicotine. But what about the sudden outbreak of vaping illnesses and deaths?

Would banning, jewel, and other e-cigarettes fix that problem? Seagull didn't think so. I think it's extremely unlikely that any store-bought nicotine-containing e-cigarettes are involved in this outbreak. Why was he so confident?

Well, there were a number of clues starting with what was happening in the UK, which was pretty much nothing. So far, I don't know of any cases of respiratory failure that have been reported in the UK. And that's important because it tells us that it can't be traditional e-cigarettes, because those products have been sold in the UK and in other countries for a decade or more. And they haven't had any problems.

You know, something different is going on here. So what was going on here? I think what is going on different is that we have a huge black market, especially for THC products. And I think it's those products that are predominantly responsible for the outbreak.

THC, if you don't remember, from chemistry class is the primary psychoactive ingredient of cannabis. And the Centers for Disease Control in surveying the victims of the E-Valley outbreak had learned. The CDC has reported that approximately 89% of the cases are attributable to THC or black market vaping oils, whereas 11% of the cases did not admit to using THC. Now, that doesn't mean that those cases were necessarily attributable to nicotine liquids.

For a number of reasons. The most important of which is that people tend to underreport their marijuana use, especially youth. In other words, it seems these vaping deaths and injuries weren't primarily being caused by e-cigarettes. Perhaps e-cigarettes had nothing to do with the outbreak.

It's important to note that all e-cigarettes, which are designed to deliver nicotine, are vapes, but not all vapes are e-cigarettes. There's a difference between the types of devices that can be used to vape cannabis as opposed to devices that can be used to vape nicotine-based liquids. These are very different types of liquids. E-cigarettes use liquids that are typically water or alcohol-based, while THC vaping liquids are oils.

The cannabis distillate really needs an oil-based to dissolve properly. And so you're basically talking about vaping oil versus vaping water, and the devices that can handle those types of liquids are very different. And we've got to be very careful not to conflate the two. But there was a lot of conflation going on.

In water or alcohol-based nicotine e-cigarette devices and oil-based vaping devices. Not just in the media reporting on the outbreak, but in how some state governments were approaching e-cigarette bans. First of all, the policies I don't think are justified because there's no evidence that store-bought nicotine e-liquids are involved at all in this. So why put all these vape shops out of business when it's not going to have any significant impact in curtailing the outbreak?

But secondly, there's going to be some severe negative public health consequences of these bans. Many ex-smokers who are dependent upon vaping products to stay off tobacco are going to switch to smoking when their products are taken off the shelves. There are also hundreds of millions of smokers in places like Indonesia and Russia and China, who, if you are rooting for public health generally, you might want to see have easy access to e-cigarettes. In the midst of all this came a couple of surprising developments.

The Trump administration and the FDA had been leaning toward implementing a ban of most flavored e-cigarettes in the hopes of curtailing youth vaping. But the White House then reversed itself. But Juul Labs in the face of that expected flavor ban had already announced that it was discontinuing all its sweet and fruity nicotine cartridges, mango, cucumber, even its most popular mint, all gone. The only flavors Juul would continue selling in the U.S.

are menthol, Virginia tobacco, and classic tobacco. Now, was this a public health victory? Michael Siegel doesn't think so. I think what a lot of people don't realize is there's no such thing as an unflavored e-liquid.

Every e-liquid has a flavor. It's just that tobacco is one of those flavors, and then there's hundreds of other flavors. So when the FDA was considering a ban on these flavors, and that ban may still happen, it's hard to say. What was the idea behind that?

The idea behind that, presumably, is that youth are more likely to use the non-tobacco flavors than the tobacco flavor. The problem with that is that so are adults, adult smokers who have quit successfully using these products have predominantly used flavored products. They specifically don't like the tobacco product because it reminds them of cigarettes. The whole point of switching to vaping is to get away from the tobacco experience.

Many of the vapors actually shun the idea of using a tobacco-liquid. To take these flavors off the market and tell smokers, okay, well, just go back to the tobacco, that's just not going to happen. What are the smokers going to do? They're basically going to have two choices.

Either they just go back to smoking, or they try to obtain these products off the black market. What about younger vapors who've gotten accustomed to or addicted to flavored vaping? I think a lot of youth are going to transition from flavored e-liquid over to THC oils because those are the products that are going to be available. It's incredibly easy to get these black market THC products.

You just go onto the internet, you say you're 21, they will use what's available. What's going to be available is going to transition towards THC oils, and that could actually make the outbreak worse rather than better. Because the outbreak, remember, the deaths and injuries seem to not be driven by e-cigarette use. They think the strongest of it is simply that 90% of the patients admit to using THC, even though there's a lot of underreporting.

Testing of the THC cartridges has revealed vitamin E acetate oil, and so far not a single nicotine liquid that's been tested has had any abnormalities in it. Indeed, in early November, the CDC declared it had identified what had considered a quote very strong culprit for the vaping deaths and injuries. Vitamin E acetate oil, as Michael Segal had suspected. What is vitamin E acetate oil?

It's a thickening ingredient that's recently begun showing up in vaping liquids, particularly in black market THC products that are thought to come primarily from China. So to be clear, as of now, it appears that most, if not all, of the deaths and illnesses were caused not by e-cigarettes, but rather by sketchy black market THC products. But in the public interest, and in the pursuit of a policy that seems to be driven more by abstinence than harm reduction, state and city governments and some state health departments, have already taken steps to curtail the availability of e-cigarettes. What does Michael Segal think of this?

I think from the perspective of politicians, this is a really easy way to be able to tell your constituents that you care about kids, you care about health, you were out there banning the flavored e-cigarettes. It's very easy to do that because there's no opposition. The vaping industry doesn't have a powerful lobby, like the tobacco industry does. And what's very interesting is that these same politicians who want to ban flavored e- liquids don't want to touch cigarettes.

They don't want to have any increased restrictions for the sale of tobacco. They don't want to take tobacco off the shelves. So I think that what they're doing is basically just finding some way that they can, without having to actually take any kind of politically courageous action and make it look like they're really taking a strong stance. From the perspective of health departments, I don't think that they're being insincere.

I think their intentions are to try to improve health. I'm not questioning that. What I do think is going on with the state health departments, though, is one of two things. I think that a lot of state health departments just take their direction from the CDC.

They don't want to conflict with what CDC says. And there are many health agencies that really have just been against e-cigarettes from the beginning. And they see this as an opportunity to take advantage of this outbreak, to advance their agenda of getting e-cigarettes banned, or at least getting the flavors banned. And in fact, many of the states are doing this through emergency orders bypassing the legislative process.

And the problem with that is it violates the separation of powers. Health departments do not have the authority to establish law. They're supposed to enforce the law that the legislature sets out. And so what they're doing is declaring an emergency because of the outbreak and then responding by banning e-cigarettes that don't have anything to do with the outbreak.

I don't think that there are politics involved in what the state health departments are doing. I think that these are dedicated professionals. I think they're sincere. I think they're well-intentioned.

But I just think there's an underlying bias that clouds their thinking. And how would Michael Segal, if he left the ivory tower of academia for some big public health department that was wrestling over the future of e-cigarettes, how would he walk the line between abstinence and harm reduction? I think the most important thing that could be done to limit youth access to these products is to restrict the sale of not only e-cigarettes, but all tobacco products, including real cigarettes, to stores that are only open to people who are over 21 years old and that only sell tobacco products or e-cigarettes, similar to the way we handle liquor in most states in the US. I think the second thing that we need to do is to have direct regulations of e-cigarette marketing and to allow companies to tell the truth to consumers, namely that these are products that are designed for smoking cessation.

And I think one of the problems right now is because companies are not allowed to even inform their consumers truthfully that people are using these products for smoking cessation, they have nothing to fall back on in their ads other than trying to make e-cigarettes or vaping glamorous. At the moment, none of it is looking very glamorous. Coming up next time on Freaknomics Radio, yes, it is Thanksgiving, the beloved American holiday where we are forced to eat turkey with a bunch of people who may have very different ideas about politics or religion or life. And so we present a primer on how to get people to change their minds or at least to change your own.

Well, first of all, there's no silver bullet. This model where people just take facts and draw conclusions is completely wrong. If they were to change their tune, everybody would see them as a loser. How to change your mind without being a loser is next time on Freaknomics Radio.

Freaknomics Radio is produced by Stitcher and WN Productions. This episode was produced by Zach Lipinski with help from Alden Mille. Our staff also includes Allison Craiglow, Greg Ripon, Harry Huggins, Matt Hickey, Daphne Chen and Corinne Wallace. Our intern is Ben Shainl.

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This episode was published on November 21, 2019.

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A recent outbreak of illness and death has gotten everyone’s attention — including late-to-the-game regulators. But would a ban on e-cigarettes do more harm than good? We smoke out the facts. Hosted by Simplecast, an AdsWizz company. See...

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