Research is still evolving, but evidence continues to point to a link between smoking and breast cancer risk. From firsthand and secondhand smoke to vaping and cannabis, here's what scientists knowand what Evidence update on the cancer risk of vaping e cigarettes: A systematic review A comprehensive review of recent peer reviewed research provides the strongest evidence to date that using electronic cigarettes likely causes both oral and lung cancers in humans. https: modernsciences.org vaping likely causes oral lung cancer april SUO 2024: E cigarette Use and the Risk of Bladder Cancer E cigarettes: 'cancer risk close to zero' Bhekisisa