Vaping: How popular are e cigarettes? Vaping has overtaken cigarettes as the dominant nicotine risk for young people. The 2025 Monitoring the Future survey of 24,000+ US students confirms what schools have been seeing for years: 31% of Adolescence is a critical window for brain development. Nicotine exposure during this time increases the risk of addiction. Many young people who vape have never smoked. But those who vape are more We were shocked': Vaping considerably increases lung cancer risk among people who smoke