Is smoking additive free cigarettes like american spirit less harmful then cigarettes that contain ammonia, glycerol, sugar, flavors and other stuff?

No difference: It is a proven fact that effects of smoking are serious. It can harm nearly every organ of the body. It causes nearly one of every five deaths in the United States each year. Regardless of the brand, flavor or additives tobacco smoke contains more than 7, 000 chemicals. Approximately 70 of them are known to cause cancer. Rec.: ask your pcp for smoking cessation program.