It will force your brain to work in ways it isn't accustomed to and can help you see the world around you from a new linguistic perspective. Trying new activities or hobbies can also help keep your brain tuned up.
[header] How to improve mind power [title] Learn new skills. [step] By learning new skills, you keep your brain engaged and challenged, which can build new neural connections and improve your cognitive function. [substeps] Learning a new language is an excellent way to expand your mind.