E-cigarettes may inflame lungs as much as cigarettes do

Indicator of lung inflammation changes as much after ‘vaping’ as after smoking

By Janet Raloff, 16:24 PM June 16, 2014

Using electronic cigarettes has the same short-term effects on the lungs as smoking conventional tobacco cigarettes, a study finds. Both products triggered sharp reductions in exhaled nitric oxide among 25 volunteers. Toxicologists view drops in the gas as a marker of inflammation that signals airway damage.

After ‘vaping,’ or inhaling e-cigarettes’ vapors, volunteers exhaled 2.2 to 3.2 parts per billion less nitric oxide than when exhaling normally. The bigger drop came after volunteers vaped...

Source URL: https://www.sciencenews.org/article/e-cigarettes-may-inflame-lungs-much-cigarettes-do