Cigarette warning "Surgeon General's warning: Quitting smoking now greatly reduces serious risks to your health" copyright American Heart Association Please see AHA/ASA Multimedia Materials Usage Policy
A 2013 FDA report concluded that menthol in cigarettes is not associated with increased or decreased smoke toxicity. But there is mounting evidence to suggest that the addition of menthol makes nicotine more addictive
Both contain addictive nicotine and can cause side effects like nausea or gum irritation
Clogged vents and blocked air filters are the most likely problems
Biochem Biophys Res Commun 509:514520 Normanno N, De Luca A, Bianco C, Strizzi L, Mancino M, Maiello MR, Carotenuto A, De Feo G, Caponigro F, Salomon DS (2006) Epidermal growth factor receptor (EGFR) signaling in cancer