E cigarettes and explosions: An emerging danger > Joint Base San Antonio > News FDA authorizes fruit flavored e cigarettes in major shift A scientific review has raised fresh concerns about the long term cancer risks of vaping, concluding that e cigarettes are probably carcinogenic, while also acknowledging significant gaps in the evidence. The analysis of reviews Smokers now view e cigarettes as riskier after lung injury crisis Restricting flavored e cigarettes cuts vaping rates but raises smoking rates for young adults, study finds