Michael Waring, co-author of the study and associate professor at Drexels College of Engineering, said in a statement: While many public areas have restrictions on smoking, including distance from doorways, non-smoking buildings and even full smoking bans on campus for some universities, these sm
Date: May 10, 2018
Category: Health
Source: Google
Thirdhand smoke is widespread and may be dangerous, mounting evidence shows
DeCarlo, who studies outdoor air, had teamed up with an indoor air expert at Drexel, Michael Waring, to study how the two interact. A graduate student working withthem was surveying chemicals in a classroom about 20 feet from DeCarlos office, and came across a mysterious chemical signature they co