Posted 8/27/2012 4:08 PM (GMT -7)
Is it just your TSH testing OK? Or have you had your T3 and T4 tested, too? "Normal" TSH is such a wide range as to be meaningless for some people. I have tested normal for years, and it was only after I insisted that they test the T3 and T4 that the hypothyroidism showed up.
I've heard that ridges in your nails is a sign of iodine deficiency. Related to hypothyroidism, but not the same thing. Most Americans are low, especially in the Great Lakes regions.