Runner Things #2412
Posted on 30 Mar, 2014
Running Partners
Some Other Things You May Like
Healthy Summertime Swaps
Can You Run While You Are Pregnant?
How to Harness a Real-Life Superpower
How to Stop Freaking Out Every Single Sunday
You get a new stomach lining every three to four days. The mucus-like cells lining the walls of the stomach would soon dissolve due to the strong digestive acids in your stomach if they weren't constantly replaced.
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