New analysis underscores health risks of e cigarettes Vaping has become common, but it's important to know what you're inhaling. Many e cigarettes contain nicotine, heavy metals like nickel and lead, and chemicals that can harm your lungs and overall health. New research: Second hand vaping is NOT harmless A recent study published on PubMed is raising serious concerns about the health effects of second hand exposure to e cigarettes. People exposed to second hand E cigarettes: 'cancer risk close to zero' Bhekisisa E Liquide CBD Recharge Vape & Cigarette lectronique CBDPur Health impacts of electronic cigarettes ANU National Centre for Epidemiology and Population Health