[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.
What causes swollen feet and legs? Your feet and legs swell when fluid builds up in the space between the cells of your body. There are many reasons this can happen, some quite serious and many minor or transient. You should consult your doctor to determine the cause of your swelling, which you may hear referred to as edema.