Think Vaping Is Harmless? Think Again. Vaping isn't just a lung issueit affects your mouth too. Vaping can lead to: Dry mouth, irritation, and a burning sensation Bad breath and The man alleges that he heard a whistling sound moments before an e cigarette spare battery exploded in his pants pocket. E cigarettes Side Effects: How E cigs Affect Your Body The Healthy Heated Tobacco Devices & Kits Heated Tobacco Products Smoking and Tobacco Use CDC