Let me give you another tiny sample group for the study. Indians! I started learning Hindi, English and Bengali when I was four. Most of my fellow citizens(middle class) were in the same boat because there are 22 official languages here in India. After college I moved to South India, where there is another myriad family of completely different languages. I can barely keep up with them. Does it improve or harms my abi…
> 18 official languages here in India
Correction: it's 22. Wiki: https://en.wikipedia.org/wiki/Official_languages_of_India