Tobacco

Northwest Indians used tobacco long before European contact

WSU researchers have determined that Nez Perce Indians grew and smoked tobacco at least 1,200 years ago, long before the arrival of traders and settlers from the eastern United States. Their finding upends a long-held view that indigenous people in this area of the interior Pacific Northwest smoked only kinnikinnick or bearberry before traders brought […]

Nicotine identified in ancient dental plaque

A team of scientists including researchers from Washington State University has shown for the first time that nicotine residue can be extracted from plaque, also known as “dental calculus”, on the teeth of ancient tobacco users. Their research provides a new method for determining who was consuming tobacco in the ancient world and could help […]