Electronic cigarette menthol flavoring is associated with increased inhaled micro and sub micron particles and worse lung function in combustion cigarette smokers Respiratory Research Springer Nature Link Can vaping damage your lungs? What we do (and don't) know Harvard Health Vuse FAQs We Answer Your Vape Questions HERE! Vaping related pulmonary granulomatous disease ScienceDirect Menthol added to vapes worsens lung damage, study suggests The Virginian Pilot