how does tobacco affect the brain Frontiers File:Tobacco diagram.png - Wikimedia Commons

This is because there must be a safe place to dispose of a lit cigarette if someone violates the no-smoking rule

1986 Jul;59(2):7881

These results indicated that EC use might promote pathogenic bacteria while suppressing beneficial commensals, potentially leading to oral diseases like periodontitis and dental caries [64]

Even under ideal circumstances, studies have consistently shown the need for a period of deprivation of at least 15-20 minutes in order to allow for natural dissipation of any residual alcohol in the mouth

Lingering smells from smoke, pets, or mildew can raise red flags during inspections and appraisals, leading to reduced property value or failed deals