<p>There was a previous thread about this topic in the Parents Forum.</p>
<p>[Study</a> links physical punishment of kids to adult mental disorders ? USATODAY.com](<a href=“http://www.usatoday.com/news/health/story/2012-06-28/spanking-mental-problems/55964610/1?csp=34news]Study”>http://www.usatoday.com/news/health/story/2012-06-28/spanking-mental-problems/55964610/1?csp=34news)</p>
<p>“Children who are spanked, hit, or pushed as a means of discipline may be at an increased risk of mental problems in adulthood from mood and anxiety disorders to drug and alcohol abuse, new research suggests.”</p>
<p>“Parents’ right to use physical punishment has been abolished in more than 30 nations, but not in the USA or Canada, says the Global Initiative to End All Corporal Punishment, endorsed by the United Nations and others.”</p>
<p>The above article is citing the following as the publisher of the study.</p>
<p>[Physical</a> Punishment and Mental Disorders: Results From a Nationally Representative US Sample](<a href=“http://pediatrics.aappublications.org/content/early/2012/06/27/peds.2011-2947]Physical”>http://pediatrics.aappublications.org/content/early/2012/06/27/peds.2011-2947)</p>
<p>This includes a PDF to the full study.</p>