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The disease Goitre is caused in persons who do not have in their diet sufficient

  • A.Calcium
  • B.Sodium
  • C.Iodine
  • D.Iron

Answer: C

Goitre is caused by a lack of iodine.

Iodine is needed to make thyroxine; without it the thyroid enlarges as it tries to compensate, producing the swelling in the neck. In children the deficiency also stunts growth and mental development, which is why salt is iodised.

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