E cigarette and Vape Market Size and Forecast 2025 2033 E cigarettes: Facts, stats and regulations Association of electronic cigarette use and risk of COPD: a systematic review and meta analysis npj Primary Care Respiratory Medicine That colorful vape might be carrying more than just flavor , Recent studies found some disposable vapes can release toxic metals like lead and nickel as they heat up over time. The smoke may look 2025 Disposable Vape Trends: Vaping in the New Era NIH funded studies show damaging effects of vaping, smoking on blood vessels National Institutes of Health (NIH)