7 Reasons Why It's Good To Speak Another Language

Multiple research studies show that bilingual people have many cognitive advantages, especially as they age.  For those who have been bilingual since childhood, they may be able to adapt better to unexpected circumstances. For those who have more recently learned their second language, older adults earned higher scores on their intelligence tests in comparison to ones taken when they were younger. There is also a correlation showing a delay in the onset of Alzheimer’s Disease by 4-5 years. 
The Huffington Post, June 14, 2014