http://www.med.umich.edu/1libr/sma/sma_strength_sma.htm
Basics on strength training from the University of Michigan
http://www.letsrun.com/2004/jkvolume.php
Article on the benefits of high mileage for distance running
If you have questions about fueling for exercise, The Australian Institute of Sport (whose mission is to help educate Olympic athletes and coaches) offers abundant sports nutrition information
Wonder how your diet stacks up? This site lets you track and analyze your exercise and eating habits.
Do you have medical questions or concerns? On WebMD you can do a search on Achilles, torn ACL or any injury-of-the-day, and you'll get the information you need to manage the problem.
www.nationaleatingdisorders.org
If you're struggling to find the right balance of food and exercise, the National Eating Disorders Association site offers helpful information as well as referrals to professionals who can help you come to peace with food.
Are you really getting what you pay for when you buy nutritional supplements? ConsumerLab.com monitors the quality of vitamin and mineral supplements, herbs, nutrition bars, protein powders and numerous other health products so you'll know which brands offer you the best for your money