E cigarettes: 'cancer risk close to zero' Bhekisisa 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 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. Recharges & Pods CBD Folium Boutique