Recent studies have shown that patients with high levels of insulin seen in obesity, diabetes, and in thin patients with insulin resistance have a larger thyroid gland by volume studies by ultrasound, and have a significant increased number of nodules.Thyroid vol.18(4),461-164 2008. Obese and non-obese patients with insulin resistance had increased thyroid volumes, compared to obese, and normal patients without elevated insulin levels. Also the number of nodules was increased over controls...