This most likely reflects the presence of subclinical thyroiditis (but very rarely might indicate thyroid neoplasia in an older dog). In these cases, there is evidence of pathology within the thyroid glands, but not to the extent that it is interfering with thyroid function. Histologically, there are often small foci of lymphocytic inflammation scattered through otherwise healthy appearing thyroid tissue.
We estimate that it takes >60% destruction of thyroid tissues by the inflammatory process before we see changes in laboratory measures of thyroid function. It appears that the progression to overt hypothyroidism in these cases is often very slow and that, indeed, some may never have progression of pathology but remain euthyroid for many years, if not for their whole lifetime.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.