San Francisco seeks nation's first e cigarette ban until FDA review Review of evidence finds e cigarettes may help smokers quit Fox News Evidence update on the cancer risk of vaping e cigarettes: A systematic review FAKE STUDY ALERT: A recent Australian review claims nicotine vapes are likely to cause lung and oral cancer. But top scientific experts have pointed out the paper isn't a systematic review A sweeping scientific review is raising new concerns about the long term health effects of vaping. Nicotine based e cigarettes may pose a serious cancer risk, according to a major new review that challenges the