Chronic depression is associated with shrinkage of brain areas that are involved in memory. Regular physical activity, such as walking an hour a day, enlarges these brain areas and improves function––probably the best antidepressant of all!
Bruce S. McEwen, Ph.D.
Alfred E. Mirsky Professor, The Rockefeller University
1998 NARSAD Distinguished Investigator Grant
2005 Goldman-Rakic Prize for Outstanding Achievement in Cognitive Neuroscience
Foundation Scientific Council Member