Vaping also exposes the user to heavy metals like tin and lead as well as flavoring agents including diacetyl, a chemical known to cause lung disease
Business-as-usual, which in many countries comes down to small periodic tax hikes, some level of health information provision, and some provision of smoking cessation support, will simply not be enough 38,39
Funding This study was supported by grants from the Ministry of Science and Technology, Taiwan (MOST 103-2320-B-010-040-MY3, 104-2320-B-010-014-MY3, 105-2320-B-010-036, 105-2811-B-010-022, 106-2320-B-002-057-MY3, 106-2320-B-002-056, and 107-2320-B-002-062)
PAHs can be found in the air, in the workplace, food, ETS and coal-tar-containing medications [36]