Learning <complicated thing> can reverse brain aging. I know more data points are always good, but this is hardly surprising, is it? It's like saying exercise

Learning <complicated thing> can reverse brain aging. I know more data points are always good, but this is hardly surprising, is it? It's like saying exercise can improve your health (even when you're old). Yes, we know. The problem isn't a lack of knowledge, it's getting people to do it.