Why potato does need eat with a peel?

As usually his cleaning of peel, but in her,and under her are benefit micro elements having, as absorbing helping for tuber, his bake in oven and eat whole, or stew, but eat with peel, as without a Peel is non useful meal.
As this fact on the first world war,when a war s ship as attacked on many ships,and taken all as and meal, but in neutral water of USA he is down, as all command was sicked and need in help, but 12 American doctors are not found diseases, and non reasons, and diet entered of meat, fats, potato, rice is rare, why they are kept bad and nothing helped?As answer found a journalist Mack collum, as disease caused a vital meal failure, and offered a right diet, so after they eaten peel with potato, fresh squeezed juices drunk, and they are recovered, as his diet had been of infusion with 1/2 of millet, brands and 2/3 of water with adding two tea.sp. of dried brands as before serving.

juice of spinach, carrot, cabbage, or infusion these of vegetables.

boiled potato peel.

As when they are recovered to the ration added sour milk, shaken  yolk, juice of fresh lemons with oranges, apples, bread black and 30 gr of meat by a psychological minds, thus are three days enough for a visible positive results, and in ten days they are left hospital.