01:06Business MattersUS e-cigarette giant warned over advertsBBC World Service Duration: 53 minutes Tue 10th Sep 2019, 01:06 on BBC World Service West and Central AfricaAvailable for over a yearListen nowWe ask how safe the e-cigarette is compared with traditional tobacco Show more GenresFactualMoneyFormatsDiscussion & TalkBrandBusiness Matters Source: BBC Online