There’s a robust molecular language being spoken between your muscles and your brain. We’ve often thought about muscle as a thing that exists separately from intellect—and perhaps that is even ...

Grow your muscle, grow your brain. For decades it’s getting clearer—physical activity leads to more brain cells. But how? And why? A recent paper in Cell Metabolism shows the advantages of ...

If you have ever lifted a weight, you know the routine: challenge the muscle, give it rest, feed it and repeat. Over time, it grows stronger. Of course, muscles only grow when the challenge increases ...