Cigarettes are the most frequent source of fires leading to loss of lives in private homes, which has prompted the European Union and the United States to ban cigarettes that are not fire standard.
A menthol cigarette is a cigarette flavored with the compound menthol, a substance which triggers the cold-sensitive nerves in the skin without actually providing a drop in temperature.
Menthol cigarettes have also been shown to inhibit nicotine metabolism, causing "systemic enhancement in exposure to nicotine".