I'm Young!Well that makes me feel better...
No matter what your actual age is, you've done a good job keeping your brain young.
You know that the key to a healthy brain is exercising it, and that's something you just do naturally.
You're the type of person who is curious about everything, and your curiosity makes your brain healthy.
Keep reading, learning, and engaging with the world. You've figured out the secrets to being mentally sharp.