Potatoes is natural good source of energy.it has a lot of carbohydrates specially help children for more work out such as for running,playing and working. Although in the some serious matters it is advised to be restricted in the diet specially for obese and the people with type2 diabetes , however it is also requirement for ready made source of energy specially for labrours those have to work continuously for 8 to 10 hours.
It should be not totally banned for type2 diabetes because it also has complex carbohydrates that absorbe gradually in blood stream and does not cause blood sugar spikes.
Further it is also a good source of potassium that is very important for blood flow in arteries and prevent cardio vascular problem and hypertension.