Nicotine absorption from electronic cigarette use: comparison between first and new generation devices Scientific Reports You'll have to be 21 to buy cigarettes or vape products in Washington starting Jan. 1, 2020 KNKX Public Radio Fruity flavors lure teens into vaping longer and taking more puffs, study says Los Angeles Times In secondhand vape, scientists smell risk American Heart Association How to Buy a Vape on a Tight Budget Vaping: What you need to know Heart and Stroke Foundation