E-Cigarette Studies & Research

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e-cigarette-studiesAlthough the original concept can be traced back to 1963, Hon Lik, a Chinese pharmacist, is widely credited with inventing the first electronic cigarette in 2003. Internationally patented in 2007, studies regarding the safety and effectiveness of e-cigarettes are ongoing. Below, we have attempted to gather the most complete, unbiased and accurate e-cigarette research available:

Positive Electronic Cigarette Studies

Studies of Toxicity Levels:

Studies of Second-Hand Vapor:

Effectiveness for Smoking Cessation:

  • 2014 Addiction Journal Study - Among smokers attempting to quit, those who used e-cigs were more likely to report abstinence than those using NRT or no aid.
  • 2013 Addictive Behaviors Study – E-cigarettes may contribute to relapse prevention in former smokers and smoking cessation in current smokers.
  • 2013 Lancent Medical Journal Study – Determined that e-cigarettes were modestly effective at helping smokers to quit, equivalent to nicotine patches.
  • 2013 PLoS ONE Study – E-cigarettes decreased cigarette consumption and elicited enduring tobacco abstinence without causing significant side effects.
  • 2012 Society for Research on Nicotine and Tobacco – E-cigs deliver similar levels of nicotine and reduce exposure to combustion toxicants after switching from tobacco.
  • 2011 Boston University Study – Electronic cigarette use significantly reduced tobacco cravings, a similar effect to what has been observed with nicotine inhalers.
  • 2011 BioMed Central Public Health Study – Concluded that smokers substantially decreased their cigarette consumption (without significant side effects) with e-cigs.
  • 2010 Tobacco Control Study – Found that e-cigarettes alleviated users desire to smoke and had a ‘pharmacokinetic profile’ more like the Nicorette inhalator than tobacco.

Other E-Cigarette Health Studies:

  • 2014 IJERP Health Survey - Survey of over 19,000 e-cigarette users found that nearly 75% reported better general health after switching to e-cigs, along with a wide range of other perceived health benefits, such as improve endurance, breathing, taste, smell, etc.
  • 2013 Inhalation Toxicology Study – While lung function was impaired by traditional cigarettes, e-cigs appeared to have no impact and delivered similar levels of nicotine.
  • 2012 Onassis Cardiac Surgery Center Study – Based on current available data, electronic cigarettes appear to have no acute adverse effects on cardiac function.
  • 2009 University of Alberta Study – 95% of respondents in online survey reported that general health, ability to exercise, sense of smell and taste were better since using e-cigarettes.

Negative E-Cig Studies / Reports

  • 2014 Roswell Park Cancer Institute Study - Solvent and battery voltage may affect levels of harmful compounds in e-cig vapor. High-voltage devices may expose users to more risk.
  • 2014 JAMA Network Study – Found that e-cigarette users did not quit smoking more frequently than nonusers, but the study included all users, even those with no intention to quit.
  • 2013 University of Athens Study – Claims that electronic cigarettes could ‘damage your lungs’ as they cause less oxygen to be absorbed by the blood. Limited research!
  • 2012 Society of Research on Nicotine and Tobocco – E-cigarettes contain nicotine, but brands and models differ in their efficacy and consistency of nicotine vaporization.
  • 2012 Chest Journal Study – Short term e-cig use was found to cause an increase in impedance, airway flow resistance, and oxidative stress, but long-term benefits may outweigh risks.
  • 2009 Tobacco Control Study – Considered e-cigs ineffective for nicotine delivery and craving suppression since samples (from just two companies) had less nicotine than tobacco.
  • 2009 FDA Study of E-Cig Cartridges – Although this study was ultimately proven inconclusive, it’s widely mentioned in many news stories. It evaluated samples from just two companies and found low levels of tobacco-specific carcinogens. It failed to disclose the actual amounts of carcinogens, which were later proved to be insignificant, far below that of tobacco cigarettes.

Other E-Cigarette Research

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