Hello all,

I've been reading up on Thyroid issues because I am trying to figure out if I have some disorder of the thyroid. What initially led me to explore it as a possibility is extreme knee and shoulder pain. I've seen Orthopedics, Rheumatologists and most recently an Endocrinologist. The Endo doesn't seem to think I have an issue but, yet, I think I am displaying several of the symptoms that many people are describing. So, I have a few questions...

1. What (related to the thyroid) causes the brain fog, joint pain, and oddly cold hands and feet, that so many people experience?

2. If my blood results seem "within range" is that definitive?

3. I see very different numbers for acceptable thyroid hormone ranges, from different sources where can I find the "right" numbers?

4. Also, I've taken a number of blood tests, in several of them the tests are named differently and the normal ranges are different values. How do I compare the tests over time?

Thanks in advance for any help or info!

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