Iodine is a trace element that is naturally present in some foods, added to others, and available as a dietary supplement. Iodine is an essential component of the thyroid hormones thyroxine (T4) and triiodothyronine (T3). Thyroid hormones regulate many important biochemical reactions, including protein synthesis and enzymatic activity, and are critical determinants of metabolic activity [1,2].
Sinus Decongestion. 1  1. Unplug ears that are clogged due to a cold. 2  2. Do the Valsalva Maneuver. 3  3. Take a decongestant.  4. Use a nasal spray 1  antihistamine. 5. See a doctor.
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