http://articles.mercola.com/sites/articles/archive/2002/06/05/calorie-restriction-part-one.aspxBy Brian Manning Delaney Calorie restriction is the only well-researched, effective means of retarding aging that is available to post-embryonic animals. Calorie restriction, as it is used by life-extensionists, means a reduction in caloric-intake forenCommunityServer 2008.5 SP1 (Build: 31106.3070)http://articles.mercola.com/sites/articles/archive/2002/06/05/calorie-restriction-part-one.aspx#212372Fri, 14 Aug 2009 18:00:41 GMT24451277-a5aa-4add-96dc-64081bfd86fa:212372janinerickard<p>there is some formula for it: &nbsp;220- age</p> <p>see <a rel="nofollow" target="_new" href="http://en.wikipedia.org/wiki/Heart_rate">en.wikipedia.org/.../Heart_rate</a></p> <img src="http://articles.mercola.com/aggbug.aspx?PostID=212372" width="1" height="1">http://articles.mercola.com/sites/articles/archive/2002/06/05/calorie-restriction-part-one.aspx#38129Sat, 10 Jan 2009 18:14:50 GMT24451277-a5aa-4add-96dc-64081bfd86fa:38129Lupo.cattivo<p>In the above text I found the following statement: &quot;The goal should be to increase the heart rate to about 75% of its maximum, maintain for 45 minutes, five times a week&quot;.</p> <p>Question: How do I know or find out what is my maximum heart rate to, subsequently, figure out the corresponding 75% of it?</p> <img src="http://articles.mercola.com/aggbug.aspx?PostID=38129" width="1" height="1">