Secondhand marijuana smoke: What are the risks to your health? UCLA Health 5 Methods Teens Use to Mask the Smell of Marijuana My Neighbors Smoke Weed All Day, and It's Stinking Up the Joint The New York Times Do THC Vapes Smell? The Definitive Guide for Discreet Vaping Mister Vape If someone smokes outside, do they bring thirdhand smoke indoors with them? Thirdhand Smoke Resource Center Beyond the sweet flavors, vaping hides toxic ingredients and serious health risks. Discover how marketing and peer pressure fuel teen addiction. Learn to resist.