is smokeless tobacco bad for you Chewing Health Side Effects, Risks, Tips on Quitting CDC - Fact Sheet -
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However, the ingestion of filter microfibers within sediment by benthic species as a route of exposure to associated toxicants is considered a lower threat

Hence, the best option is to reduce the unpleasant odor which will also to help mitigate the adverse health effects
In How Tobacco Smoke Causes Disease: The Biology and Behavioral Basis for Smoking-Attributable Disease: A Report of the Surgeon General, Centers for Disease Control and Prevention (US): Atlanta (GA), 2010
What everyone's reading He first became known within the running community for his running and smoking habit in 2017, after he was seen smoking at a running event in Hangzhou city, which gained him the name Smoking Brother
moreover, these improved outcomes persist through age 5 and these children are in continued follow-up through adolescence

& Novik, E.) 183203 (Artech House, 2010)