The researchers found that superior language skills early in life may predict the brain's ability to cope with the early stages of Alzheimer's disease decades later. They conclude this is due to differences in mental reserves.
Language skills may indicate Alzheimer's risk
July 8, 2009 Researchers at Johns Hopkins University followed a small group of Catholic nuns, testing them regularly for any signs of memory problems. After their deaths, their brains were examined for the hallmarks of Alzheimer's disease.