Repeated exercise, or wasting, can change the way key genes work.
Many people who were active when they were young end up inadvertently taking a long break from sport in adulthood. Perhaps you lifted weights in your teens and 20s, then had kids and didn't get back ...
Plot twist: muscle memory isn’t actually about your muscles at all. It’s about your brain doing some serious behind-the-scenes work! Imagine your brain is creating a super-detailed map for every ...