We previously pointed out that it was looking bad for these products.
Now work at New York University has established the first link between cancer and vaping nicotine in mice.
The usual provisos hold – results in humans might be different – but …
“Out of 40 mice exposed to e-cigarette vapor with nicotine over 54 weeks, 22.5% developed lung cancer and 57.5% developed precancerous lesions on the bladder. …
… None of the 20 mice exposed to e-cigarette smoke without nicotine developed cancer over the four years they studied the mice, researchers said.“
