The ability of the brain to reorganize and continually repair and remodel itself is being illustrated more and more through studies like these -

http://www.sciencedaily.com/releases/2012/03/120314170647.htm


Also found here - http://www.frontiersin.org/Human_Neuroscience/10.3389/fnhum.2012.00034/abstract


More confirmation of eat right (organic whole foods), get plenty of rest, exercise, purify the body, and take time for self reflection, prayer, or meditation.