How exercise changes skin composition is not completely clear, but in a separate portion of the study, the researchers checked for alterations in the levels of certain substances created by working muscles. (well.blogs.nytimes.com)
But just as exercise changes almost every aspect of bodily function, don't be surprised if it changes the bugs in your gut for the better too. (cathe.com)
Here, she shares why exercise changed her life and her best tips on owning the skin you're in. (health.com)