1. Chiropractic adjustments and specially designed wedges can help correct cervical alignments to allow for healthy thyroid function by removing nerve pinching in the neck. 2. An underactive thyroid can cause symptoms like tiredness, weight gain, and sensitivity to cold, while an overactive thyroid speeds up processes like heart rate and causes weight loss and bulging eyes. 3. Iodine is essential for thyroid hormone production and can be obtained through foods like saltwater fish, seaweed, and seafood as well as iodized salt.