【Daily Reading】Speaking two languages may forest ...

vivian

Speaking two languages may keep the mind sharp longer than knowing only a single language, even in those who can’t read.
6 f* `7 k' n0 S7 [( `" R                        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.
3 b% P( i9 |8 CAdditional 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.
% W  P+ `/ V7 b9 p; mKnowing three or more languages provided no extra benefit, the authors said.
* Q7 C# G9 B2 B1 R! ~6 m

From: http://www.washingtonpost.com/na ... 37c6f484_story.html