Secondhand marijuana smoke can cause range of detectable effects, study finds Hub Here's how your dab pen and vape could affect your mental health National Geographic Close up, Smoking a Vape or E cigarette Stock Video Pond5 FACT: Most e cigarette users also smoke cigarettes, a pattern known as dual use. This means the tobacco industry isn't helping people quit; it's sustaining addiction through another product. While the industry claims Safety for Vaping Around Pets Bayside Animal Hospital Bayside Animal Hospital