Iodine is necessary for the proper functioning of the thyroid, a gland that controls the body's metabolic rate and producing essential hormones * . Without sufficient iodine in the diet, the thyroid begins to enlarge its cells in an effort to produce its hormones, and this activity may produce a goiter, which is a swelling in the front of the neck. Mar 28, 2014 · This doesn’t mean you can’t get hair back but that you have to try again and again to get the hair coverage you need. This might even take two years to and from the doctors. This is why all patients are advised to seek qualified and duly licensed surgeons for the job. Failure to do so might be the worst nightmare for you.