EDINBURGH, Scotland, Nov. 7 (UPI) -- For people who develop dementia, speaking more than one language tends to slow memory loss by as much as five years, compared to those who speak one language.
Thomas Bak, of the University of Edinburgh and colleagues at the Nizam's Institute of Medical Sciences in Hyderabad, India, examined almost 650 dementia patients and assessed when each one had been diagnosed with the condition.