There is chewing tobacco, and there is a broader array of smokeless tobacco. I assume you're referring to all smokeless tobacco. While I don't know all the history, I do know what types there are and how they're used. read more
All tobacco that is not smoked, i.e. snuff, snus, chewing tobacco, etc., is less carcinogenic than smoked tobacco. The cancer risks of tobacco, particularly dip, are overblown. Tsna levels (tobacco specific nitrosamines), the principal carcinogens in tobacco, can be controlled (look at the Gothiatek standards for Swedish snus). read more
Various types of smokeless tobacco are used in different parts of the world. These in different forms and is known by different names in different parts of world. These can be in form of chewing or snuff. read more
Types. Chewing tobacco comes in several different varieties. Loose leaf. Loose leaf chewing tobacco is the most widely available and most frequently used type of chewing tobacco. It consists of shredded tobacco leaf, usually sweetened and sometimes flavored, and often sold in a sealed pouch weighing on average 3oz. read more