The Teen Vaping Crisis California Teachers Association E cigarettes: facts, stats and policy recommendations Electronic Cigarette Use and Risk of Hypertension: The Hispanic Community Health Study Study of Latinos (HCHS SOL) ScienceDirect Oral Health Risks of Vaping E cigarettes: 'cancer risk close to zero' Bhekisisa 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 risk free.