do cigarettes turn your fingers yellow Nicotine fingers? : r/90dayfianceuncensored Smoker's finger - Stock Image
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However, it is not entirely risk free and health experts agree people should not start vaping other than to give up smoking

Am J Respir Cell Mol Biol 19(5):819825 Taner CB et al (2001) Treatment with endothelin-receptor antagonists increases NOS activity in hypercholesterolemia

"The mouth should not burn

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Around 2000 years ago, chewing and smoking tobacco became part of cultural and religious ceremonies

Intervention Prior to the baseline session, participants were randomized to one of four conditions (phase 1) using a 2 2 factorial design: (1) stress task and smoking cue, (2) stress task and neutral cue, (3) control task and smoking cue, or (4) control task and neutral cue