Who knows who knows who knows because they are unfamiliar and who knows because they are not good enough to exercise? If the heart and lungs are not good, then the amount of exercise should be reduced appropriately and should not exceed the energy training, so the amount of exercise must be small and the breathing should not be too much. Who knows because it's not good enough for exercise and fitness? If the heart and lungs are not good, then the amount of exercise should be reduced appropriately and should not exceed the energy training, so the amount of exercise must be small and the breathing should not be too rapid. Who knows that it is not suitable for exercise because it is not good? If the heart and lungs are not good, then when exercising, you should reduce the amount appropriately and don't exceed energy training. So when you exercise, you must exercise less and don't breathe too hard. Who knows what to do if it is not suitable for exercise and fitness because it is not very good? If the heart and lungs are not good, then when exercising, you should reduce the amount appropriately and don't exceed energy training. So when you exercise, you must exercise a little and don't breathe too hard. In that case, it will not affect her health.