How to diagnose the root cause of thyroid condition?

Identification of the underlying cause for thyroid condition requires an in-depth analysis of symptoms & several biomarkers. There are many different root causes of thyroid condition: Leaky gut, dysbiosis, autoimmunity, heavy metal toxicity, chronic stress. For some thyroid patients, there is more than one common underlying cause. The majority of the thyroid condition is because of autoimmunity developed by leaky gut which is caused by food sensitivity.