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 My Vuse (ex Vype) ePod won't charge Vaping Post FDA rules six Vuse Alto e cigarettes can no longer be sold in the US The Independent Can vaping damage your lungs? What we do (and don't) know Harvard Health Menthol added to vapes worsens lung damage, study suggests The Virginian Pilot Vaping related pulmonary granulomatous disease ScienceDirect