Nutrition related links:
www.nutrition.gov
www.mypyramid.gov/index.html
www.foodfit.com/

Diet Tracking related links:
www.calorieking.com/
www.thedailyplate.com/
www.mypyramid.gov/index.html
sparkpeople.com/
www.fitday.com/
www.weightbydate.com/

Health related links:
www.arthritis.org/
www.seniorfitness.org/sfafit.htm
www.americanheart.org