讚。我自己琢磨，發現的確和腎有關,再琢磨後，發現和甲狀腺也是密切相關。

Because thyroid hormone has numerous effects on the kidney, heart, and vascular system, thyroid dysfunction can cause significant changes in renal and cardiovascular functions (1–3). In particular, hypothyroidism is known to be associated with reduced renal plasma flow (RPF) and low glomerular filtration rate (GFR）

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3313737/