Tests are normal, but you have no energy: what is hidden iodine deficiency and how to recognize it

Cold hands, brain fog, apathy, the feeling of "I can't take it anymore" – does this sound familiar? These can all be symptoms of chronic iodine deficiency. However, most people don't find out about it from tests, but only when their thyroid gland starts to malfunction. Doctors see the same mistakes over and over again – and almost all of them could have been avoided.

In this article, endocrinologists Anna Melnychuk and Anastasia Sokolova explain what signals the body gives first, why "normal" test results don't always mean everything is fine, and at what point self-treating with iodine becomes dangerous.