Many E-Cigs Loaded With Germs, Study Finds
https://wb.md/2GtGLdu WEDNESDAY, April 24, 2019 (HealthDay News) -- You might need to worry about inhaling more than just nicotine when you vape: New research warns that many electronic cigarettes appear to be contaminated with fungi and bacteria. The finding stems from a close look at the contents of 75 popular vaping products. About half of the e-cigarettes examined were of the single-use cartridge variety, while the other half were refillable products. Both contained liquid laced with nicotine, along with other chemicals. Once a user takes a puff, a battery-powered heating device vaporizes the liquid, turning it into inhalable vapor. But nicotine was not all that was found in the vapor of many products. Study author Dr. David Christiani said 23% of the electronic cigarette products they examined contained bacterial toxins, while 81% tested positive for a substance called glucan, which is found on the cellular structures of most fungi. "The contamination took place in electronic cigarette liquid and in the cartridges," Christiani said, although the cartridge e-cigarettes contained more than three times more glucan than the refillable liquid e-cigarettes. Christiani, director of the environmental and occupational medicine and epidemiology program at Harvard's T.H. Chan School of Public Health, characterized the findings as "surprising." But when asked if the identified contaminants actually pose a danger to vapers, he suggested the jury is still out on that question. Potentially, "they are toxic," Christiani said. That means that, over time, exposure to high amounts of such contaminants can prompt the onset of progressive lung illnesses such as emphysema, chronic bronchitis and asthma. But as a practical matter, Christiani noted that the contaminant levels his team found in e-cigarettes was actually "considerably lower" than levels "that have been shown to cause lung disease" in workplace environments where manufacturing chemicals abound. What's more, such contaminants are also found in standard cigarettes, where levels "are [also] generally higher than what we measured here," he added. The bottom line: "At this time, we do not have scientific evidence that the levels we see in these electronic cigarette products raise health concerns," Christiani concluded. Health via WebMD Health https://www.webmd.com/ April 24, 2019 at 12:04PM
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