Many animals depend on insects for survival and the presence of nicotine in the environment has the potential to create ecological havoc
"For heart disease and stroke, even if you're smoking only one or two cigarettes per day, the changes to the inside of the arteries and the platelets are sufficient that your risk stays up." "If you reduce on the way to quitting, that's great," he added
They offer a lot of flexibility because you can swap different cartridges whenever you want
In the last century, research has shown that the chemicals ingested by smoking cigarettes can be hugely detrimental to the smokes health but also to those exposed to the smoke and as an added layer it can also affect the third layer of those who have come into contact with the smoker as well
1 2 Richard Craver, "For use: a lot of empty space," Winston-Salem Journal , May 30, 2010