They confirm autoimmune thyroiditis aka Hashimoto's. A strict gluten free diet and supplementing with selenium l-selenomethionine 200mcg daily can help reduce them, as can keeping TSH suppressed.
Gut and absorption problems are caused through Hashi's and I see Slow Dragon has mentioned that in your other thread.
Content on HealthUnlocked does not replace the relationship between you and doctors or other healthcare professionals nor the advice you receive from them.
Never delay seeking advice or dialling emergency services because of something that you have read on HealthUnlocked.