percentage of people who smoke cigarettes in the us Why a group U.S. states smokes more than a less-developed country Cigarette Smoking Rates By State:

As evidenced by decreased reversible endothelium-dependent or smooth muscle dilation or brief constriction of a reversible peripheral conduit vessel in several monitored human exposure studies, very brief contact with PM 2.5 along with dilute diesel exhaust causes agonists conduit or microvascular dysfunction

Other harmful chemicals such as nitrosamines and nitrosonornicotine were present in the electronic cigarette aerosol but again at much lower levels - the nitrosamine content in cigarettes is about 380 times that found in e-cigarette aerosol, and the nitrosonornicotine level is around 40 times higher in cigarette smoke

Comes in a slide-out e+m gift box

To save your recordings to computer: using the included USB cable, connect the MQ-78 to any Mac or Windows computer