Vaping is often marketed as a safer alternative to smoking, but many vape products contain nicotine, harmful chemicals, and heavy metals that can harm developing brains and lungs. E cigarettes: 'cancer risk close to zero' Bhekisisa To learn more about the health effects of vaping and asthma, visit https: bit.ly 45dizbM. Nonnicotine vapes may be marketed as safe, but many still contain chemicals, have unknown health effects, and aren't FDAregulated. Teens are using them more ofteneven alongside nicotine vapes. No ecigarette is riskfree. E CIGARETTES DANGER FOR YOUNGSTERS NEEDS URGENT CONTROL Mega Story Vaping: How E cigs Work (Infographic) Live Science