We must not develop tunnel vision when we have a weight loss goal, strive for health not just weight loss. The Zone Diet seems to be the most popular fad approach right now. It's a diet, and that's all it is, just another fad diet. It's about 1300-1700 calories a day, most people would lose weight on that kind of low calorie intake. Stay with what works, no diets, but healthy whole foods.
Carbohydrates are the ONLY fuel for the brain.
This company has all sorts of research books and equipment designed to help all types of athletes to improve performance, speed , agility, core strength and functional exercise technique. This is a very good resource for foot ailments of all kinds. Sports related advice, women's foot problems, and recommended sport shoes. Here's the rules on SAFE squats. Start from the ground, and work your way up.