Latest research highlights many benefits of bilinguals.
1. Ability to attend to important information and ignore the less important information
2. Ability to multi-task more effectively than monolinguals– through activation and sequencing of different and faster areas in the brain
3. Appears to delay the onset of Alzheimer’s

read on the New York Times at http://www.nytimes.com/2011/05/31/science/31conversation.html?smid=tw-nytimeshealth&seid=auto