New strong evidence that Juul is more toxic to lungs and hearts than earlier e cigs Stanton Glantz blog Can vaping damage your lungs? What we do (and don't) know Harvard Health Juul disregarded early evidence it was hooking teens Is Juul the new big tobacco? Wave of lawsuits signal familiar problems Smoking The Guardian Top UK public health official advised vape giant Juul, documents reveal The Examination Vaping Risks: What You Need to Know UI Health Care