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.
Your weight and the distance you walk are the biggest factors in how many calories you burn while walking. A rule of thumb is that about 100 calories per mile are burned for an 180-pound person and 65 calories per mile are burned for a 120-pound person. Your walking speed matters less.