Former FDA Commissioner Scott Gottlieb told CNBC he isn't convinced that vaping nicotine is carcinogenic, calling out a study that pointed toward the opposite conclusion.
“I'm skeptical that nicotine causes cancer,” Gottlieb, a trained physician, said Monday on “Squawk Box.” “It might be a tumor promoter, [researchers] have said that there's a potential that nicotine is a tumor promoter, but it doesn't cause cancer.”
