cigarette inventor James Albert Bonsack China's e-cigarette inventor fights for

Aside from the higher cost, theres a concern your equipment might not be able to handle the increased air resistance that comes with higher MERV ratings, according to engineers from two of the major HVAC manufacturers, Tranes Jay Ayers and Carriers Doug Powell

It is intensely radioactive, and sprays alpha particles on to the surrounding tissues

As no information about the most likely function for dosage distribution is available, a uniform probability distribution was entered into the calculation in this case (Supplementary Table S1)

Longer 4-5 second puffs deliver 2-3x more vapor and nicotine than quick 1-2 second puffs

There is scientific consensus that tar is not a precise indicator of the risk or damage, and communicating tar levels is misleading for consumers