is marijuana smoke worse than cigarette smoke Adding tobacco to cannabis doesn't affect the high, but impacts memory and heart | UCL News More Americans than ever believe

In fact, it's all about finding what works for you

Cardiovasc Res 76(1):818 Carnevale R et al (2016) Acute impact of tobacco vs electronic cigarette smoking on oxidative stress and vascular function

They have tiny crevaces that capture the smoke particulate, and their function of moving air puts them in contact with plenty of it

pretty smooth, but nothing amazing

North America shows rapid adoption, driven by health-conscious consumers seeking alternatives

But US national public health institute Centres for Disease Control and Prevention warned that e-cigarette aerosol is not "harmless water vapour" as it contains harmful substances like cancer-causing chemicals and heavy metals such as nickel, tin, and lead