EDINBURGH, Scotland, June 2 (UPI) -- People who speak two languages or more may slow brain aging and help retain reasoning, memory, cognition and speed of thinking as they age.
Dr. Thomas Bak of the Centre for Cognitive Ageing and Cognitive Epidemiology at the University of Edinburgh in Scotland, and colleagues examined standardized intelligence tests of 853 people who were born in 1936 and took part in the Scottish Mental Survey of 1947.