"And last month, a study of nearly 50,000 Americans found that urine samples from vapers and cigarette smokers alike contained elevated levels of carcinogenic compounds.
That finding was complicated by the fact that the TV vast majority of those who vaped were still smoking, too "
While it consisted of just five subjects, the new University of Minnesota study, however, uncovered evidence that e-cigarettes alone may be dangerous, too.
Sounds like a couple of very well run, definitive scientific study then
