Vitamin D deficiency:
- Rickets, in children (deformed bones, particularly the spine, legs, and skull; fracture-prone bones, swollen joints; and muscle weakness).
- Osteomalacia, in adults (softening of the bones, which causes pain, particularly in the legs, hips, neck, and ribs; fracture-prone bones; and muscle spasms in the hands, feet and throat).
Vitamin E deficiency:
- Irritability and edema (accumulation of fluid in the tissues), in infants.
- Premature aging of the skin.
- Hair loss.
Vitamin K deficiency:
- Poor clotting of the blood (resulting in bleeding from the gums, nose, intestines, and urinary tract; seeping of blood from wounds; and brain hemorrhage, severe cases).
- Cramp-like muscle spasms in the face, hands, and feet
- Blood pressure or heart rhythm disorders
- Rickets in children and osteomalacia in adults.
- It is believed that long-term calcium deficiency may lead to susceptibility to osteoporosis in later life.
- Discolored, decay-prone teeth.
- Goiter (enlarged thyroid gland)
- Low I.Q.
- Cretinism (physical and mental retardation) in children.
- Tiredness, weakness.
- Palpitation, chest pains.
- Physical and mental underdevelopment in children.
- Low birthweight.
- Poor resistance to infection.