http://www.abc.net.au/science/news/stories/s1131883.htmTwo languages flex brain, stave off ageingMaggie FoxReutersTuesday, 15 June 2004Danger: speaking just one language can be bad for your health (Image: iStockphoto)Growing up speaking two languages seems to help keep your mind young, Canadian researchers say.When researchers tested older people who grew up speaking English and either Tamil or French they found the adults who grow up bilingual had quicker minds compared with people who grow up speaking only one language.This suggested that having to juggle two languages keeps the brain elastic and may help prevent some of the mental slowing caused by ageing, the researchers said.Professor Ellen Bialystok of York University in Toronto and colleagues published their study in the current issue of the journal Psychology and Aging.