New Pa. law raising smoking, vaping age to 21 to take effect in July 2020 FHS Press Say no to vaping. 10 15 vape puffs are roughly equivalent to one cigarette. We want to encourage and support families to have open and engaging conversations with young people to Mapped: U.S. States With the Highest Teen Vaping Rates 5 Vaping Facts You Need to Know Johns Hopkins Medicine How Old Do You Have to Be to Vape BOOST! Vaping: The Small Habit That Hits Harder Than You Think Maryland Physicians Care