There are multiple nutrients a person would be deprived of by having this type of diet and if they fear they are having complications due to this they should probably go see a doctor ASAP. Corn is considered roughage (high in fiber) and will not supply a human being, or much else for that matter, with efficient vitamins and nutrients.
Anaemia is a deficiency of iron, night blindness is a deficiency if vitamin A and rickets is a deficiency of vitamin D.
vitamin c
Gliadine
no
Pellagra is a Vitamin B3 (Niacin) deficiency disease. It is caused by severe and prolonged deficiency of Vitamin B3. Symptoms are bilateral dermatitis, dementia, and diarrhea. A prolonged and severe niacin deficiency may cause depression and neurasthenia (weakening of muscles).A deficiency in Vitamin B3 can cause depression, memory loss, canker sores and fatigue.
In humans, vitamin c.
Vitamin B
A deficiency in vitamin D can cause rickets, a condition that weakens bones and can lead to skeletal deformities in children. Vitamin D is essential for proper calcium absorption and bone development.
Manganese
Vitamin C.
Vitamin A deficiency is rare in vegetarians but can cause vision problems. Eating orange and yellow vegetables will prevent this.
The deficiency of Vitamin B6 causes depression, nauseas, vomiting, skin disorders, anemia, and kidney stones.