Query by bjlo: I was informed that absence of iodine in kinds diet will cause hair reduction. Is this correct? nutritional vitamins not the response.fyi? I am conscious that coloring types hair will do that as well that is not the concern nor the dilemma I know diet plan performs a large part in it also is there something out there (in addition to seaweed) that can help. thyroid dilemma no dr. previously dominated that out. I know there is a prevention. Any individual know? Best reply: Give your solution to this query underneath!