Recent evidence shows that, when challenged, the brain changes itself to meet new demands through a process known as neuroplasticity.
This is the brain's ability to reorganize itself by forming new neural connections in response to learning and blood flow to the brain. When information is continually reinforced (i.e. when you do things over and over again) the information literally “cements” or binds these new cells.
Nerve cells, called neurons, in our brains physically grow nerve endings to connect with other neurons when we learn new things. The more we experience and learn, the more connections are formed. The longer and more frequently these cells send and receive impulses, the stronger and more enduring the link.