Your Skeleton's Remarkable Renewal Process

Your skeleton completely replaces itself about every 10 years. This is possible because you have

two special types of cells working 24/7. First, you have the osteoclasts,

which are like a demolition crew. They go around breaking down old, worn-out bone tissue.

Right behind them are the osteoblasts, the construction workers. They follow the

demolition crew and lay down fresh, strong bone to replace what was removed. This constant cycle

of breaking down and rebuilding is called remodeling. It’s how your bones heal from tiny stress

fractures and stay strong enough to support you. You're literally getting a new skeleton.