Vaping is often seen after smoking, but its not risk free. E cigarettes contain nicotine and other chemicals that can harm your heart and lungs, and may affect brain development in young Vaping among teens declines, but health risks and addiction remain a concern News ASHES, Vol. 18(5) Adolescents' and youth adults' perceptions of e cigarette respiratory health risks BASIS (The Brief Addiction Science Information Source) In recent years, the number of e cigarette users worldwide has sharply increased, with many believing that vaping is less harmful than smoking traditional cigarettes. However, health experts are warning of its negative