Your Four Energy Systems - How to Train Them If you really want to understand how exercise produces changes in your body, it helps to know a little bit of biology. It will help you to understand exactly what you are trying to achieve in your workouts.           Your Raging Metabolism A lot of people talk quite authoritatively about their metabolism being slow without actually knowing what metabolism is, or what they can do about it.

If you find this site helpful, I would like to ask just one thing. Please, please, sign your organ donor card, discuss this choice with your family, and encourage your friends and family to do the same. Like everything else on this site, it's not enough to read this. Nothing happens unless you actually do it. I promise, it won't affect the medical care you get while you're alive, and you won't miss anything when you're gone. But you'll save lives. And I have no doubt that Lisa Sherman, my dear friend on earth, and my guardian angel in heaven, will find some way to thank you. She was 37. Click here to download an organ donor card (simply sign it and fold it behind your driver's license) All contents Copyright ©2000-2005 John P. Hussman, Ph.D., including calculators and support updates. Direct links to this page are encouraged. Brief quotations which include attribution and a link to this website are authorized for noncommercial use. All other rights reserved and actively enforced. Extensive, unauthorized reproductions constitute a violation of copyright law. Visit our sponsor... me! Site design by 1WebsiteDesigners.com