\’Long Term\’ physical activity has been proven to have an anti-aging affect on the most fundamental level of our bodies, the cellular level. This has been proven through a series of biological tests, (such as blood testing), on professional athletes and non-smoking healthy adults as a means of comparison. After these tests were completed, the scientists came to the conclusion of ‘Intensive exercise prevented the shortening of Telomeres’. This has shown to have a protective affect on one\’s cardiovascular system. For more information on this, please use the following link.
http://www.sciencedaily.com/releases/2009/11/091130161806.htm