And, it even contributes to growing new neurons!Alpha ZXT While we used to think that the brain loses cells as we age, we now know it is not true for those people who keep active and learn new things.Much of the new research suggests that exercise positively affects the hippocampus, a sea-horse shaped brain structure that is vital for memory and learning.In one recent study, researchers found that adult mice doubled their number of new brain cells in the hippocampus when they had access to running wheels