Teens who vape are more likely to become teens who smoke and smoke more often Los Angeles Times Secondhand marijuana smoke: What are the risks to your health? UCLA Health Vaping THC Flower & THC Vape Carts Understand Effects & Safety Considerations Alternaleaf UK Vaping is still common among high school students, despite declines in cigarette usage. Vape companies continue to hook young people on flavored nicotine products with attractive packaging.