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Vaping: Government unmoved, key researcher clears the air re research

http://harbourtimes.com/2016/05/04/vaping-government-unmoved-key-research-clears-the-air-re-research/

The Food and Health Department sticks to its old guns while key HKBU researcher Dr Chung Shan-shan looks to clear the air about previous media misstatements about her research results.

The Food and Health Department sticks to its old guns while key HKBU researcher Dr Chung Shan-shan looks to clear the air about previous media misstatements about her research results.

Dr Chung Shan-shan (鍾姍姍), Assistant Professor of the Baptist University’s Department of Biology, has been oft cited in Hong Kong for her research on vaping (aka e-cigarettes). Dr Chung was commissioned by the Council on Smoking and Health (COSH) between October 2015 and February 2016 to lead a studies on the potential harm brought about by vaping. She found in favour of stricter regulation, or perhaps a total ban of the product, but is keen to clear up misconceptions about the research in previous media reports. She takes issue with previous media reports that neglected to report on nuances she presented, leaving a misleading impression that has been repeated and magnified in the community.

“Neither COSH, which commissioned the research, nor we, claimed that the sample products were representative. But, like all other manufactured goods, product variability does exist. It is particularly so for vaping products as the history and experience in regulation and quality control are short when compared to many other electronic products,” Dr Chung explains. “One should understand that both PBDEs and PAHs [chemicals created from burning petroleum] are not by-products of e-liquids but rather the electronic appliances themselves. Even if the flavour is the same, different vaping products can use different flame retardants or different types of plastic resins, resulting in varying levels of emission of these by-products in the aerosols. So a thorough understanding of the health effects of vaping should not just focus on the compositions of the e-liquids but the whole e-cigarette product.”

While brief, the associate professor makes her stance clear: “Firstly, I haven’t gone through the entire the [new RCP] report, so it’s not something that I feel comfortable to comment with. Secondly, to more accurately interpret the arguments made, one needs to understand the backgrounds of the authors of this report as well. On the whole, it is a summary of available research findings at their time of writing,” she says. “I noted in our press conference that our findings on PBDEs [industrial toxic chemicals used as fire retardants] were likely the first of its kind. But so far, findings of our studies were announced only through a press conference. So I didn’t expect a literature review or a monograph that has to be based on proven scientific findings to cite from us.”

“Our findings are in a stage of being assessed by an international journal and are currently under review [i.e. unpublished]. So I believe that’s why [the RCP report] did not take into consideration our discovery,” she says.

 

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