Le, I agree with Ruthi.
It likely develops your brain. But It doesn't mean math or art don't:) And ys it is good idea to always learn somethin new.
Compared to people that speak one language, adults who speak multiple languages are more likely to:
I totally agree, learning a new language can make you smarter...or at least "faster" than only-native speakers 'cause your are forced to train your brain to switch from one language to another, remembering words, grammar, idiomatic expressions and so on! The best side of the story is that, by knowing a new culture, you are allowed to explore a new world, broadening your point of views in life..and it is so exciting!