Two known carcinogens were identified in the urine of e-cigarette users.
Why this matters
Further study is needed to clarify the safety profile of e-cigarettes and their contribution to the development of bladder cancer given the greater concentration of carcinogenic nitrosamines in the urine of e-cigarette users in this pilot study.
University of Pittsburgh researchers compared the urine of e-cigarette users to that of non-smokers.
Urine specimens were examined for five known bladder carcinogens that are either present in traditional cigarettes or common solvents believed to be used in some e-cigarette...