If you have weight problems or find yourself overweight, then you should stop and analyze how much you walk. People are always willing to try some off-the-wall diet plan, but the real key to weight loss lies in walking. Before the advent of the automobile, almost nobody was obese and few people were overweight. But since the widespread adoption of the automobile, people are gaining weight all over the world. But if you go from one region where people walk to another place where people use cars primarily, you will see a marked difference in the average weight of residents in both places. So if you find yourself overweight, try to adopt a lifestyle that will get you out of the car and onto the sidewalk.