Electronic Cigarettes (E-cigarettes)Harmful To Lungs

 Electronic Cigarettes (E-cigarettes)Harmful To Lungs

This s a breakdown of the components of an e-cigarette.
A: LED light cover; B: battery (also houses circuitry); C: atomizer (heating element); D: cartridge (mouthpiece)

An electronic cigarette is a device that acts as a substitute for a real cigarette. The e-cigarette imitates the act of smoking a real cigarette, complete with inhaled vapor, look, appearance and feel of a real cigarette.

Some e-cigarette have nicotine cartridges or nicotine-flavored cartridges to simulate the odor and flavor of a cigarette. It uses heat or ultrasonics to vaporize a liquid solution into a mist that is similar to the way a nebulizer or humidifier vaporizes solutions for inhalation.

In February 2012, The European Respiratory Society (ERS) releaesed a statement on their opposition to the use of e-cigarettes and other nicotine related products. They cite a sample wherein an e-cigarette device contained the chemical diethylene glycol, an ingredient used in antifreeze.

Experts warn that e-cigarettes can damage the lungs

New research has shown that despite electronic cigarettes being marketed as a potentially safer alternative to normal cigarettes, they are still causing harm to the lungs.

A new study, presented today (Sunday 2 September 2012) at the European Respiratory Society’s Annual Congress in Vienna, has added new evidence to the debate over the safety of alternative nicotine-delivery products.

Electronic cigarettes are devices that deliver nicotine through a vapour, rather than smoke. There is no combustion involved but the nicotine in the device is still derived from tobacco. There has been much debate over the safety and efficiency of the products, but little scientific evidence to support either claim.

Researchers from the University of Athens in Greece aimed to investigate the short-term effects of using e-cigarettes on different people, including people without any known health problems and smokers with and without existing lung conditions.

Video: Electronic Cigarette

The results showed that for all people included in the study, the e-cigarette caused an immediate increase in airway resistance, lasting for 10 minutes. In healthy subjects (never smokers) there was a statistically significant increase in airway resistance from a mean average of 182% to 206%.

In smokers with normal spirometry there was a statistically significant increase from a mean average of 176% to 220%. In COPD and asthma patients the use of one e-cigarette seemed to have no immediate effect to airway resistance.

Professor Christina Gratziou, one of the authors and Chair of the ERS Tobacco Control Committee, said: “We do not yet know whether unapproved nicotine delivery products, such as e-cigarettes, are safer than normal cigarettes, despite marketing claims that they are less harmful. This research helps us to understand how these products could be potentially harmful.

“We found an immediate rise in airway resistance in our group of participants, which suggests e-cigarettes can cause immediate harm after smoking the device. More research is needed to understand whether this harm also has lasting effects in the long-term.

“The ERS recommends following effective smoking cessation treatment guidelines based on clinical evidence which do not advocate the use of such products.”
RELATED LINKS

European Lung Foundation
European Respiratory Society
Tobacco Control Committee – European Respiratory Society
European Respiratory Society statement on E-cigarettes and emerging products
Nicotine Patch and Nicotine Gum Not Really Effective
Move Over Nicotine Patch. Cigarette Candies Are Coming!
Vitamin C Supplementation In Smoking Pregnant Women Improves Pulmonary Function in Newborns
Scientists Study the Beginning of Chronic Obstructive Pulmonary Disease (COPD)
Eating Cured Meat Increases Risk of Hospital Readmissions for COPD Patients
MIT News: New Needleless Jet Injector Does Away With Hypodermic Needles
Molecular Imaging Making Headway Into Developments In Disease Treatment and Research

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2 Responses to Electronic Cigarettes (E-cigarettes)Harmful To Lungs

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