Because swimming belongs to aerobic exercise. This kind of exercise lasts for more than an hour and will break down body fat.
But don't eat foods containing sugar, protein and fat immediately after swimming, because it will thicken muscle fibers and increase weight. It is best to eat crude fiber food for the first time after exercise, that is, vegetarian food. Because crude fiber food can increase gastrointestinal peristalsis without providing high calories, it can stimulate the body to decompose fat for a long time and improve the weight loss effect after exercise.
This process needs to be repeated for a long time and then persisted.
Come on!