http://win.niddk.nih.gov/publications/for_life.htm
Weight-Control Information Network, National Institute of Diabetes and Digestive and Kidney Diseases
There are many ways to lose weight, but it is not always easy to keep the weight off. The key to successful weight loss is making changes in your eating and physical activity habits that you can keep up for the rest of your life. The information presented here may help put you on the road to healthy habits.