THC found in Wisconsin vaping cases that led to illnesses Sobering simulation shows what really happens to your body when you inhale smoke from a vape What you're watching isn't smoke it's particulate matter size 2.5 microns (PM2.5). One vape exhale took indoor air from 2 500 in seconds. That's because vaping creates ultrafine particles The risks of vape pens' secondhand aerosols E cigarettes: fresh air or smoke and mirrors? The Denver Post A viral simulation comparing the effects of smoking and vaping has reignited debate over the long term health risks of both habits. The demonstration visually shows how cigarette smoke leaves thick tar buildup