Chewing ability a test for dementia

In a study of a representative sample of 557 Swedish residents aged 77 years or older, researchers from the Karolinska Institute found an association between difficulty in masticating hard foods such as apples and a higher risk of cognitive impairment on an abridged Mini-Mental State Exam.

Whether the elderly person had natural teeth or dentures made no difference to the cognitive score if they reported they had no difficulty chewing, they found.

“Age and education levels can largely explain the association between