Marti  Parker and her coauthors Duangjai Lexomboon, Mats Trulsson, and Inger Wårdh  have published an article in the Journal of the American Geriatrics Society about the association between  chewing ability, tooth loss, and cognition in elderly people. The article, “Chewing Ability and Tooth  Loss: Association with Cognitive Impairment in an Elderly Population Study,” has been the subject of quite a bit of media attention.
Article in Science Daily
KI press release