Speaking more than one language protects the brain against cognitive decline and makes a person better at multi-tasking, researchers said Friday at a major US science conference.
Being bilingual, or even learning a second language late in life, has been shown to slow the decline of some key brain functions, said Ellen Bialystok of York University in Canada, at the annual meeting of the American Association for the Advancement of Science (AAAS).
A study co-authored by Bialystok found that people who spoke more than one language were diagnosed with Alzheimer's disease 4.3 years later and reported the onset of symptoms 5.1 years later than monolingual patients. More...
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