Obesity rather than Metabolic Syndrome is a Risk Factor for Subclinical Hypothyroidism and Thyroid Autoimmunity

In recent years,the incidences of thyroid diseases have gradually increased,and they may be associated with the development of diagnostic technologies,elevated public health awareness,nuclear radiation,environmental pollution,changes in lifestyle,work stress,excessive iodine intake,and other factors.Because obesity can cause changes to the hypothalamic-pituitary-thyroid axis and deiodinase[1],obesity may be closely related to the high rate of thyroid diseases.