AUTHOR=Blake Holly TITLE=Physical activity and exercise in the treatment of depression JOURNAL=Frontiers in Psychiatry VOLUME=3 YEAR=2012 URL=https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2012.00106 DOI=10.3389/fpsyt.2012.00106 ISSN=1664-0640