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    Noe
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    CASAA: New study confirms that chemicals in e - cigarettes pose minimal health risk

    CASAA & Dr. Igor Burstyn, PhD, who works at the:

    Department of Environmental and Occupational Health
    School of Public Health
    Drexel University
    1505 Race St., Mail Stop #1034
    Philadelphia, PA 19102
    USA

    Have released a new study, that proves vapor from e-cigs poses little risks to vapers or bystanders.

    The CASSA report can be found here: CASAA: New study confirms that chemicals in electronic cigarettes pose minimal health risk -- PHILADELPHIA, Aug. 8, 2013 /PRNewswire-USNewswire/ --

    And the study report by Dr. Burstyn can be read here: http://publichealth.drexel.edu/SiteD...0e603/ms08.pdf

    Extract from the CASSA report:
    " The study did caution that e-cigarette users are inhaling substantial quantities of the main chemicals in e-cigarette liquid (propylene glycol and glycerin). While these chemicals are not considered dangerous and the levels are far below occupational exposure limits, Dr. Burstyn did suggest ongoing monitoring to confirm that there is no risk. The chemical contaminants are of even less concern. While there have been many claims that formaldehyde, acrolein, nitrosamines, metals, and ethylene glycol found in e-cigarette vapor poses a health hazard, the study concluded that all of these have been found only at trivial levels that pose no health concern.

    The study did not address the effects of nicotine because e-cigarette users are consuming it intentionally. Nicotine, when it does not involve smoking, is very low risk and has not been clearly shown to cause any disease."

    And an extract from the Dr's study:
    " By the standards of occupational hygiene, current data do not indicate that exposures to vapers from contaminants in electronic cigarettes warrant a concern.
    There are no known toxicological synergies among compounds in the aerosol and mixture of the contaminants does not pose a risk to health. However, exposure of vapers to propylene glycol and glycerin reaches the levels at which, if one were considering the exposure in connection with a workplace setting, it would be prudent to scrutinize the health of exposed individuals and examine how exposures could be reduced.
    This is the basis for the recommendation to monitor levels and effects of prolonged exposure to propylene glycol and glycerin that comprise the bulk of emissions from electronic cigarettes other than nicotine and water vapor.
    From this perspective and taking the analogy of work on theatrical fogs[45,46], it can be speculated that respiratory functions and symptoms (but not cancer of respiratory tract or non-malignant respiratory disease) of the vaper is of primary interest."

    " The cautions about propylene glycol and glycerin apply only to the exposure experienced by the vapers themselves.
    Exposure of bystanders to the listed ingredients, let alone the contaminants, does not warrant a concern as the exposure is likely to be orders of magnitude lower than exposure experienced by vapers.
    Further research employing realistic conditions could help quantify the quantity of exhaled aerosol and its behavior in the environment under realistic worst-case scenarios (i.e., not small sealed chambers), but this is not a priority since the exposure experienced by bystanders is clearly very low compared to the exposure of vapers, and thus there is no reason to expect it would have any health effects."
    Last edited by Noe; 14-08-13 at 06:36 AM.
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