Two Languages, Better Brain?

Speaking more than one language is obviously useful for travel and work. However, scientists have discovered that being bilingual also has profound effects on the brain itself. Managing two languages requires the brain to constantly switch attention and inhibit one language while using the other. ( 1 ), bilingual people often have better "executive functions," which include skills like problem-solving and focusing.

Recent studies suggest that these cognitive benefits extend into old age. Bilingualism appears to protect the brain against decline. ( 2 ), symptoms of dementia often appear several years later in bilingual individuals compared to those who speak only one language.

While it is easier to learn a language as a child, adults can also benefit. ( 3 ) learning a new language later in life is more challenging, the mental effort involved still provides a healthy workout for the brain.

Two Languages, Better Brain?

Speaking more than one language is obviously useful for travel and work. However, scientists have discovered that being bilingual also has profound effects on the brain itself. Managing two languages requires the brain to constantly switch attention and inhibit one language while using the other. ( 1 ), bilingual people often have better "executive functions," which include skills like problem-solving and focusing.

Recent studies suggest that these cognitive benefits extend into old age. Bilingualism appears to protect the brain against decline. ( 2 ), symptoms of dementia often appear several years later in bilingual individuals compared to those who speak only one language.

While it is easier to learn a language as a child, adults can also benefit. ( 3 ) learning a new language later in life is more challenging, the mental effort involved still provides a healthy workout for the brain.