NIH funded studies show damaging effects of vaping, smoking on blood vessels National Institutes of Health (NIH) BREAKING: New research suggests flavored e cigarettes may be linked to lasting lung injury. Scientists examined how certain flavoring chemicals affect airway cells. Some compounds were associated with inflammation and impaired repair. The US announces ban on e cigarettes for under 18s BBC News A brief history of e cigarettes Know the facts about e cigarettes Question: How do the ingredients in e cigarettes and vaporizers affect respiratory health? Los Angeles ENT Doctors ENT Specialists Top Surgeons