According to a study published by Nature Metabolism, marathon runners experience reversible changes in their brain myelin.

( NewsNation) — Running 26.2 miles can do some damage to the brain, according to a recent study, though the impact is temporary and reversible. A group of researchers studied how marathon running ...

A woman running a marathon collapsed before the finish line and had to crawl on her belly to complete the race, with two ...

Rachel Doucette is running the Boston Marathon for the Brigham Stepping Strong Team and her fiancé, a disabled Coast Guard ...