You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is If iodine supplementation in the diet was completely stopped today, thyroid hormone levels in blood will fall to zero after: and explain in detail?
The thyroid gland has enough stores of iodine to sustain & to synthesize the thyroid hormone for 90 days even if there is no iodine supplementation.