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<?xml-stylesheet type="text/xsl" href="http://blogs.mercola.com/utility/FeedStylesheets/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/"><channel><title>'Runner's High' May Also Strengthen Hearts</title><link>http://blogs.mercola.com/sites/vitalvotes/archive/2007/12/25/Runners-High-May-Also-Strengthen-Hearts.aspx</link><description>Endorphins and other are by your body during exercise, causing an experience known as “runner’s high”. But these chemicals may also protect you from heart attacks. Researchers showed that blocking the receptors that bind morphine, endorphins and other</description><dc:language>en</dc:language><generator>CommunityServer 2008.5 SP1 (Build: 31106.3070)</generator><item><title>re: 'Runner's High' May Also Strengthen Hearts</title><link>http://blogs.mercola.com/sites/vitalvotes/archive/2007/12/25/Runners-High-May-Also-Strengthen-Hearts.aspx#117122</link><pubDate>Mon, 24 Dec 2007 21:31:56 GMT</pubDate><guid isPermaLink="false">24451277-a5aa-4add-96dc-64081bfd86fa:117122</guid><dc:creator>shiva</dc:creator><description>My understanding is that long distance runners hearts are typically larger than the average person's heart. Being that the heart is a muscle, that would make sense.  &lt;br&gt; &lt;br&gt; The article caused me to think of the little known&amp;nbsp;Indian runners of the native American culture of times past,... &amp;nbsp;who once carried messages across the continent by running hundreds of miles at a time. They paled even the ultra marathon runners of today.  &lt;br&gt; &lt;br&gt; While I was a runner for years, ... as&amp;nbsp;much as possible, I restricted my running to near by golf courses&amp;nbsp;where I could avoid the joint wearing impact of pounding the pavement. .... Later on I moved to long distance swimming and competive cycling,.. much easier on the bones and joints.  &lt;br&gt; &lt;br&gt; I had an acquaintence who was an ultra marathon runner for years. By the time he reached his forties, he had worn down the discs in his vertebra from all the years of pounding the pavement. .... &lt;img src="http://blogs.mercola.com/aggbug.aspx?PostID=117122" width="1" height="1"&gt;</description></item><item><title>re: 'Runner's High' May Also Strengthen Hearts</title><link>http://blogs.mercola.com/sites/vitalvotes/archive/2007/12/25/Runners-High-May-Also-Strengthen-Hearts.aspx#117121</link><pubDate>Sat, 22 Dec 2007 00:21:34 GMT</pubDate><guid isPermaLink="false">24451277-a5aa-4add-96dc-64081bfd86fa:117121</guid><dc:creator>mmc88121</dc:creator><description>Interesting, does it actually work in humans? &lt;br&gt; &lt;br&gt; Mary &lt;img src="http://blogs.mercola.com/aggbug.aspx?PostID=117121" width="1" height="1"&gt;</description></item><item><title>re: 'Runner's High' May Also Strengthen Hearts</title><link>http://blogs.mercola.com/sites/vitalvotes/archive/2007/12/25/Runners-High-May-Also-Strengthen-Hearts.aspx#117117</link><pubDate>Fri, 21 Dec 2007 14:22:36 GMT</pubDate><guid isPermaLink="false">24451277-a5aa-4add-96dc-64081bfd86fa:117117</guid><dc:creator>samurai</dc:creator><description>Although I have enjoyed this "runners' high" &amp;nbsp;myself, according to the author of  &lt;u&gt; P.A.C.E &lt;/u&gt; . Dr. Sears,&amp;nbsp; the runners' high is an indication that you are stressing your heart out. &lt;img src="http://blogs.mercola.com/aggbug.aspx?PostID=117117" width="1" height="1"&gt;</description></item></channel></rss>