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.
1 Walking Calorie Calculator: find out how many calories you can burn per mile based on your weight and speed. Walking burns approximately 100 calories per mile for a 150 pound person.  Fat-Burning Zone: When exercising at 60-70% of your maximum heart rate, 85% of the calories you burn are from fat.