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Speaking two languages may keep the mind sharp longer than knowing only a single language, even in those who can’t read.1 d- N$ Y1 U% J, R/ |" z) W
Scientists reviewed the records of 391 bilingual and 257 monolingual patients diagnosed with dementia between 2006 and 2012 at a clinic in Hyderabad, India. Patients who spoke two languages developed the first signs of dementia an average of 4.5 years later than those who spoke only one language.6 S4 d; X' Y0 }% ]- P, L
Additional results suggest that education alone cannot account for the difference. Bilingual speakers who could not read developed dementia an average of six years later than single-language speakers, the researchers reported last week in the journal Neurology.
) \# J/ w4 {# R3 tKnowing three or more languages provided no extra benefit, the authors said.9 n/ U1 \ r* P2 }5 m* Z
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2 J/ r- a. ?2 Z1 NFrom: http://www.washingtonpost.com/na ... 37c6f484_story.html |
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