Johns Hopkins researchers find thousands of unknown chemicals in electronic cigarettes Hub Flavored e cigarette company challenges FDA marketing denial Reuters Vapes are litter! The nicotine in e liquids, as well as the heavy metals in vape batteries, are hazardous wastes that can leach into public waterways and harm our sensitive river species. Vape Report: Nigeria is Africa's second highest contributor to $26b cigarette butt pollution The Nation Newspaper Cigarette lectronique, top 8 des meilleurs gots