March 1, 2018
by Washington State University, EurekAlert!
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 trace the use of tobacco and other intoxicating plants further back into prehistory.
“The ability to identify nicotine and other plant-based drugs in ancient dental plaque could help us answer longstanding questions about the consumption of intoxicants by ancient humans,” said Shannon Tushingham, a WSU assistant professor of anthropology and co-author of a new study on the research in Journal of Archaeological Science Reports.
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