Harmful matter also includes regulated hazardous materials as defined in 10.0 that are likely to harm USPS employees or to destroy, deface, or otherwise damage mail or postal equipment
Notes Roasted Coffee Popcorn Whisky Honey Tobacco Suede Vanilla Hay Patchouli Musk Brandy Cashmeran Norlimbanol Rubber
doi: 10.3389/fphys.2023.1236651 Received 08 June 2023 Accepted 12 July 2023 Published 19 July 2023 Volume 14 - 2023 Edited by Dhanendra Tomar, Wake Forest University, United States Reviewed by Dorota Katarzyna Dymkowska, Polish Academy of Sciences, Poland Franois Singh, University of Iceland, Iceland Updates Copyright 2023 Liu, Wang, Xiong, Zhang, Zhang, Liu, Xiong, Li and He
Additionally, dual-use (the simultaneous use of both e-cigarettes and combustible cigarettes) was not consistently addressed
People who are especially vulnerable to its effects include children, pregnant women, the elderly, and individuals with pre-existing respiratory conditions