The benefits of a bilingual brain

It's obvious that knowing more than one language can make certain things easier -- like traveling or watching movies without subtitles. But are there other advantages to having a bilingual (or multilingual) brain? Educator Mia Nacamulli details the three types of bilingual brains and shows how knowing more than one language keeps your brain healthy, complex and actively engaged. (Directed by TED-Ed, narrated by Pen-Pen Chen)