It's no coincidence that our bodies feel a little creakier as we age. The trillions of cells that make up our skeleton age too, and some change in ways that weaken the very structure of our bones.

Before a chain of amino acids can become an active and useful protein, it must be processed and folded into the appropriate ...

Cells hidden in the skull may point to a way to detect, diagnose and treat inflamed brains. A detailed look at the skull reveals that bone marrow cells there change and are recruited to the brain ...