Symptom Checker. 1  Numbness in one foot and Numbness in Both Feet (31 causes) 2  Numbness in one foot and Tingling in one foot (31 causes) 3  Numbness in one foot and Tingling in Both Feet (30 causes)  Numbness in one foot and Tingling in both hands (30 1  causes) Numbness in one foot and Tingling in one hand (30 causes)
Other foods that are iodine-rich are shrimp, shellfish, sushi and seaweed. Reduce the iodine in your diet if your doctor determines that your iodine levels are too high. In some cases, too much iodine overstimulates the thyroid and pituitary glands and can cause a goiter.
Other foods that are considered goitrogens (a thyroid antagonist found in food) include plants of the genus Brassica (cabbage, turnips, kale, rutabaga, watercress, Brussels sprouts, cauliflower, broccoli and kohlrabi). These vegetables seem to be more of a concern for hypothyroidism (underactive thyroid).