Donde Esta El Bano? (Bilingualism Delays Onset of Dementia)

http://www.medicalnewstoday.com/medicalnews.php?newsid=60646

The researchers determined that the mean age of onset of dementia symptoms in the monolingual group was 71.4 years, while the bilingual group was 75.5 years. This difference remained even after considering the possible effect of cultural differences, immigration, formal education, employment and even gender as influencers in the results.