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Electronic cigarettes that heat propylene glycol and glycerol, with or without nicotine and flavours, have been found to be safe based on a new meta-analysis of studies:
An update to the Cochrane review on electronic cigarettes [DOI: 10.1002/14651858.CD010216.pub3] [DX] has restated the findings of the initial research, which was completed two years ago. It found that e-cigarettes are potentially a valuable smoking cessation aid, although there was not enough evidence to conclude that they helped people quit smoking confidently.
The updated review now also includes observational data from an additional 11 studies which found no serious side-effects from using e-cigs for up to two years. Aside from throat and mouth irritation, which commonly dissipated over time, the review's co-author, Jamie Hartmann-Boyce, said "in the short to medium term, we didn't find any evidence that they were associated with any serious side-effects."
Evidence from two trials found that e-cigarettes helped smokers to quit in the long term, but "the small number of trials, low event rates and wide confidence intervals around the estimates" meant that the researchers could not conclude with confidence that e-cigs helped smokers quit more than other cessation aids.
(Score: 1, Informative) by Anonymous Coward on Friday September 16 2016, @01:54PM
Please just stop eating mass manufactured food. Those flavoring are found in the items in your grocery store.
The world thanks your for your cooperation in regards to improving the gene pool.
Neither those (food grade) flavorings*, (food grade) propylene glycol or (pharmaceutical grade) nicotine cause cancer.
* There was a brew-ha-ha a while back about cheaper Chinese flavorings containing DiAcetyl-something-or-other and that it could possibly, potentially, some day maybe, cause cancer.
The same DiAcetyl was found to be a very common ingredient in butter flavored microwave popcorn found in every grocery store in the western world. May as well ban DiHydrogen Monoxide. That shit will kill you! /s