Challenge your mind to boost connections between brain cells and boost memory. More and more research shows that, similar to muscles that get out of shape when they're not used regularly, your brain needs to be challenged on a regular basis for optimal performance.
To illustrate your brain's miraculous ability to constantly fine-tune the connections it keeps or loses, let's look at language skills. Remember those second languages we learned in high school? When you start learning a new language, your brain sets up all kinds of synapses linked to languages, but over time, if you don't maintain the new language synapses linked to learning, you may forget what you've learned. That doesn't mean that you can't learn a new language or other skills at some future time, but it will be easier if you continuously use this particular skill set throughout your life, so don't doubt the benefits of being bilingual.
It's time to dust off those language books, head to a new class, call up a friend to play chess, or simply challenge your mind more on the job. There are not only mental health benefits to pushing yourself intellectually, but there are serious brain health advantages, too. There is no limit to the skills you can acquire. Set some new intellectual goals and begin today to work toward achieving them.