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The Human Respiratory And Vape
September 9th 2016 | Revised September 9th 2016
The Human Respiratory And Vape

Lung Tissue Test Reveals Similar Result to AIR!


A Study done in Late 2015 has surfaced with some promising results!


"By employing a combination of a smoking robot and a lab-based test using respiratory tissue, it was possible to demonstrate the ability to induce and measure aerosol irritancy and to show that the different e-cigarette aerosols used in this study have no cytotoxic effect on human airway tissue,’ says spokesperson Dr Marina Murphy."




Fg.1 Atlas Of Science




"Development of an in vitro cytotoxicity model for aerosol exposure using 3D reconstructed human airway tissue; application for assessment of e-cigarette aerosol." - PubMed



First, they tested the biological system with known irritants applied in liquid form. Then they exposed "EpiAirway" (The airway tissue model comprises human tracheal/bronchial epithelial cells tissues) to cigarette smoke or aerosol generated from two types of commercial e-cigarettes for up to six hours


During the test, cell viability was measured every hour. The amount of particulate mass deposited on the cells’ surface was also quantified to prove that smoke or vape had reached the tissue throughout exposure. 


The dosage also increased in increments through out the test.


The results show that cigarette smoke reduces cell viability to 12% (which is close to death of the cell) after six hours. 


On the other hand, neither of the e-cigarette aerosols showed any significant decline in cell viability. Even after 6 hours of continuous exposure, the results were similar to the control cells exposed to just air.  



Even with this aggressive exposure, the e-cigarette vapors did not reduce cell viability.


These new findings could be used to help develop industry standards for vapes in the future. 


Let us know YOUR THOUGHTS in the comments below!

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