Being bilingual may delay the onset of dementia.

At the American Association for the Advancement of Science, Canadian researchers reported that bilingual adults were diagnosed with Alzheimer's 4-5 years later than patients who spoke only one language. Learning a second language can sharpen focus, improve efficiency and may help to hold off the effects of dementia. To learn more about the advantages of learning another language, listen to this intriguing podcast.

PositiveTip: Learning another language or exercising the brain in other ways may prolong one's useful years.