People who speak two languages, often suffer from Alzheimer's disease

People who are bilingual life, dementia comes in 4 years later than those who use only one language, Canadian scientists say. The researchers suggest that the use of two languages increases blood flow to the brain and improves communication between nerve cells, which protects the brain from aging. The most common cause of dementia is Alzheimer's disease gradually destroys memory and intelligence. Not have suschetsvuet effective treatments for the disease. A team led by Ellen Bialystok (University of Toronto, Canada) surveyed 184 elderly patients with dementia performed. 91 people spoke the same language, 93 patients - in two languages. In bilingual dementia began on an average of 75.5, while patients who speak the same language - to 71.4 years. The difference remained even after taking into account cultural differences, immigration, education, occupation and gender. The authors emphasize that bilingualism delays the appearance of dementia, but not prevented. The scientists plan to research further positive effects of bilingualism. As we reported, the risk of Alzheimer's disease stress and depression.