KBC 2022| The lack of which element in the diet can cause the disease goiter, a swelling of the throat? By Udit Lakhoria - September 19, 2022 KBC 2022| Choose the Correct option Question: The lack of which element in the diet can cause the disease goiter, a swelling of the throat? A. Chlorine B. Iodine C. Sodium D. Potassium the correct answer is B, Iodine.