menthol cigarettes history Big Tobacco Bets on to Hook Youth, Women, and Blacks FDA says it will finalize
Description
(National Cancer Institute)

Normal lung cells become cancerous through exposure to tobacco smoke, radon gas, asbestos or airborne pollutants

The sanctions rules also allow for medical exemptions, although Iran had trouble importing medical supplies and pharmaceutical drugs
Pacific Cohort Studies Collaboration

You can also smoke in your hotel room if the hotel permits it, or in any private outdoor space
