secondhand smoke from e cigarettes Exposure to E-Cigarettes Puts COPD Patients At Risk Second-hand vaping exposure very low
Description
This study reported no serious and infrequent adverse effects (AEs)

officially opens at 8 a.m

The AQI to cigarettes comparison translates daily PM2.5 exposure into an equivalent number of cigarettes smoked

David Margolius, Cleveland's public health director

Lee J, Choi JY, Lee SK
