Cannabis smell shifts from full skunk to a hint of citrus : NPR 5 Methods Teens Use to Mask the Smell of Marijuana Harris County DA Sean Teare's office has told local law enforcement his office cant accept simple possession charges for vape pens believed to contain THCciting limits in current lab testing and a Vaping cannabis associated with cough, bronchitis and wheezing, study finds CNN Squirrels are vaping now but it's not what it looks like. In cities like Philadelphia and London, they're chewing on discarded vapes, drawn in by the smell and ending up ingesting harmful Frequently Asked Questions Thirdhand Smoke Resource Center