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Bupropion SR / Bupropion XL (Zyban) Bupropion is an oral antidepressant that helps reduce nicotine withdrawal symptoms and cravings

Smoking-driven restructuring of gastrointestinal microbial communities Beyond the respiratory tract, cigarette smoke exerts profound systemic effects that extend to the gastrointestinal ecosystemthe largest and most metabolically active microbial reservoir in the human body

It can also cause bloating, diarrhea, constipation, and even vomiting

The devices quickly grew into a multimillion-dollar industry and some business analysts even suggested that the sale of electronic cigarettes would overtake regular cigarettes by 2021