People lack the inorganic salt will be what disease
iodine deficiency can lead to illness, children and adult goiter, hyperthyroidism and so on.
iron deficiency will lead to iron deficiency anemia, immunity decreased.
severe phosphorus deficiency can lead to anorexia, anemia and so on.
magnesium deficiency can lead to nervous tension, emotional instability, muscle tremor and so on.
Calcium deficiency can lead to osteomalacia, osteoporosis, etc., can also lead to convulsions.