[â¦] Low body temperature is a direct indicator of a poorly functioning metabolism. Metabolism basically refers to how efficiently your body can turn fuel (food) into energy (such as heat). So low body temperature is a good indicator that your metabolism isnât doing so hot (pun intended).
1 Blood clot in the leg: A blood clot is a clump of blood thatâs in a solid state. When a blood clot forms in a vein of the leg, it can impair blood flow, leading to swelling and discomfort.  Injury or infection: An injury or infection affecting the foot, leg, or ankle results in increased blood flow to the area.
But swelling of the feet does not definitely mean there is problem with the kidney. It can be caused by other conditions such as liver disease, heart problems or infections, etc. Liver disease. Liver has the function to produce albumin, a type of proteins.lood can not flow from the legs back into the heart and this can cause feet swelling. Infections. Swelling of the feet can be a sign of infection. If you are having diabetes and kidney damages, you might have infections in the feet which can cause swelling in the feet.