Nicotine extracted from ancient dental plaque for the first time

A team of scientists has shown for the first time that nicotine residue can be extracted from dental plaque 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.

from Top Health News -- ScienceDaily http://ift.tt/2CqxqDC