No Calorie Counting. No special jogging outfits. No pain=gain formula. The walking diet is the revolutionary health and diet programme that everyone can follow. Simply by following this 30 day walking plan, you can become fitter, healthier and slimmer. Research has proved that walking, not jogging, is the most efficient form of exercise, and the only one you can safely follow for the rest of your life. It is the exercise of the Nineties.