AUTHOR=Anderson Elizabeth H., Shivakumar Geetha TITLE=Effects of Exercise and Physical Activity on Anxiety JOURNAL=Frontiers in Psychiatry VOLUME=4 YEAR=2013 URL=https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2013.00027 DOI=10.3389/fpsyt.2013.00027 ISSN=1664-0640