A single soft shell crab is also high in cholesterol at 79 mg per serving or around 26 percent of the daily recommended intake of cholesterol. According to the American Heart Association, dietary cholesterol intake should be limited to 300 mg per day for the average adult.
However, walking is an excellent long-term weight-loss exercise. You can easily walk thousands of miles over decades, because walking has a very low injury risk. How many calories you burn on a one-mile walk depends on your speed and weight.
How many calories you burn walking depends on how much you weigh. The more you weigh, the more energy it takes to move your body so you'll burn more calories. If you weigh 120 pounds, for example, you'll burn 255 calories walking briskly for three miles.