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Regulators urged to scrutinise e-cigarettes

Harvard researchers recently examined 51 separate liquid vaping flavours, and their findings are downright frightening. It may not be the most highly publicised “war,” but the US government and the Centres for Disease Control and Prevention have been waging war against tobacco for more than five decades. The results have been nothing short of impressive, with campaigns to educate the public about the dangers of tobacco use leading the adult tobacco use rate in the US to drop from 42 percent in the mid-1960s to 18 percent as of 2013.

The push-back against the US tobacco industry has threatened the growth prospects for giants like Altria, with its signature Marlboro brand, and Reynolds American, maker of Newport. These tobacco product giants have relied on their incredible pricing power and the addictive nature of nicotine to keep their bottom lines strong. Between 2008 and 2013, overall consumer prices rose by a tame 8,2 percent, according to the US Department of labour. Meanwhile, cigarette prices rose an astounding 50percent in that same time frame – more than any other product measured.

The other growth avenue for the tobacco industry is tobacco alternatives, a niche dominated by electronic cigarettes. An electronic cigarette works by heating a flavoured liquid containing nicotine into a vapour, which the user then inhales. This allows users to satiate their nicotine craving while consuming less of the harmful chemicals often found in smoked tobacco. But there have been questions surrounding the safety of electronic cigarettes since day one.

To begin with, regulators are worried that the tobacco industry could be catering to a new, and young, generation of nicotine addicts with flavours like bubble gum and cotton candy. Altria and Reynolds American have been clear that this is not their intention, but it clearly has regulators worried.

Further, the nicotine-containing liquids come in thousands of flavours, and not a single one is governed by the Food and Drug Administration.

Some view this as a good thing for the electronic-cigarette industry, because it means there are few barriers to expansion. Then again, a lack of regulation has left some wondering what’s actually in these solutions beyond nicotine and whether the solution is safe to inhale over the long run.

A recent study conducted by researchers at Harvard T.H. Chan School of Public Health offered an insight into the composition of the flavoured liquids – and let’s just say that electronic-cigarette users won’t be happy about the findings.

The study, which was published in the online journal Environment Health Perspectives, analysed a sample of 51 electronic-cigarette liquids for the presence of three flavouring chemicals – diacetyl, 2,3-pentanedione, and acetoin – all of which are known to have adverse effects on users’ lungs. Researchers attached each electronic cigarette to a lab-built and sealed device that drew air through the e-cig for eight seconds, with a break of between 15 and 30 seconds between each draw. Researchers then analysed the air stream for the aforementioned three flavouring chemicals.

The findings showed that 47 of 51 liquids tested (92 percent) contained at least one of the three chemicals. Specifically, 39 of 51 (76 percent) contained an above-laboratory-limit amount of diacetyl, a chemical known to cause bronchiolitis obliterans, also known as popcorn lung, and other respiratory diseases in users. Popcorn lung, which is named after workers who developed the disease after working in popcorn factories and inhaling diacetyl, causes inflammation and scarring of the air sacs of the lungs. It can ultimately result in the need for a lung transplant.

What’s notable is that the researchers’ findings on diacetyl occurred in flavours such as cotton candy, cupcake, and fruit squirts – in other words, flavours that would likely appeal to younger people. That’s concerning, given that there are no regulations covering the industry. As Taylor Hays, director of Mayo Clinic Nicotine Dependence Centre, told USA Today: “There are no FDA regulations on these products. It’s the Wild West of e-cigarettes.”

It should be noted that researchers from Harvard can’t conclusively link the chemicals found in the vapour tested with popcorn lung or any number of other diseases in electronic-cigarette users. However, the correlation is certainly worrisome and worthy of additional follow-up.

If the study from Harvard demonstrates anything, it’s that the FDA has an ever-growing reason to get involved in the regulation of the electronic-cigarette industry. The FDA has been weighing whether or not to classify electronic cigarettes as a tobacco product for some time now. Doing so would allow it to regulate the industry, including the chemical composition of the vaping liquid produced.

This isn’t to say that liquid vaping producers would need to change anything so much as they would need to disclose any known harmful chemicals on their packaging.

Additionally, the FDA would work hard to ensure that there’s consistency in the chemical composition of the liquids produced from one batch to the next.

However, if the FDA gets involved you can almost count on slower growth for the industry.

Each new flavour would need to go through extensive testing to be approved for retail sale. Further, increased levels of transparency and the use of potentially harmful components in vaping liquid and/or the vaping process could harm sales. — Reuters.

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