The hazy science around vaping safety POLITICO iCliniq Medical Conditions E Cigarettes Vaping DYK Incorrectly disposing of electronic cigarettes or vape pens, which contain nicotine and lithium ion battery waste, can have serious environmental impacts, present public health and safety issues, and lead to regulatory We break down the key differences between traditional cigarettes and e cigarettescovering: 1 Their compositions and ingredients. 2 The health risks associated with both. 3 Nicotine levels and addiction potential. 4 The impact