Your Skeleton Regenerates Every Decade

The skeleton you have right now? Not the same one you had 10 years ago.

You get a completely new skeleton every decade. If you're 30, you've had three

different skeletons. What the fuck? Your body has cells called osteoclasts that break down

old bone, and osteoblasts that build new bone. They work 24/7 - demolition crew

tears down, construction crew builds up. The whole replacement takes about 10 years.

When you're young, building happens faster so bones get stronger. As you age,

breakdown can overtake building - that's osteoporosis. This is also why broken bones heal

- your body just kicks bone-building into overdrive. Follow Doctor Bold for more about your