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smoking prevalence in the United States (US) has declined from 21% to 17% over the last decade, an estimated 40 million people currently smoke cigarettes in the US (CDC 2015).

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Ciprofloxacin | C17H18FN3O3 - PubChem

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Benzocaine | C9H11NO2 - PubChem

Benzocaine is a benzoate ester having 4-aminobenzoic acid as the acid component and ethanol as the alcohol component. A surface anaesthetic, it is used to suppress the gag reflex, and as a lubricant and topical anaesthetic on the larynx, mouth, nasal cavity, respiratory tract, oesophagus, rectum, urinary tract, and vagina.

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