eggplant tobacco and are both members of the nightshade family, Solanaceae Grafting Eggplant to wild Tobacco
Description
It is possible that because vapes also contain nicotine that they may have similar effects, although more research is needed

They can also depress the respiratory system

At the hearing, Thomas Austern, of the powerful Washington law firm of Covington & Burling, who was representing the Tobacco Institute, advanced the argument that any such warning in cigarette advertising was unnecessary, because all the publicity given in the mass mediaincluding the anti-smoking commercialsto the issue of smoking and health demonstrates that the current public awareness of the hazard in cigarette smoking is now patent. You say everybody knows that cigarette smoking is dangerous to health? Commissioner Philip Elman asked the Tobacco Institute counsel

PMID 24481131
A separate ordinance would outlaw smoking of all kinds including cigarettes, cigars, e-cigarettes, vapes and cannabis products inside the majority of multifamily housing complexes within the city
