Answer:
B. hypothyroidism
Step-by-step explanation:
Iodine is one of the important nutrients of the human food as it plays some important role in the human body one of which is that iodine is involved in the formation of thyroxine hormone produced by the thyroid gland.
The thyroxine hormone-regulated many functions of the body like it maintains and regulates the metabolism of the body, provides energy to organs and many others.
If the iodine level decreases then the thyroxine production by thyroid also decreases and the conditions of the low level of thyroid hormone generate called hypothyroidism.
Thus, Option-B is the correct answer.