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From Litter to Microplastics When exposed to sunlight, moisture, and physical wear, cigarette butts begin to break apart into tiny plastic particles known as microplastics

Pros removes all nicotine from the body sooner a person benefits sooner from being nicotine-free Cons may be more difficult than using NRTs alternative methods may be more effective for some, such as heavy smokers withdrawal symptoms may be more intense Quitting cold turkey is not the only way to quit smoking

It is known that there is heterogeneity in the clinical presentation of asthma and the type and intensity of airway inflammation and remodeling, implying the importance of identifying the phenotype

Estimation of richness (observed and Chao) and diversity (Shannon entropy and Simpson diversity index) were calculated using the vegan library in R 56 (Supplementary Figure S3)