[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.
The technical name for this condition is âchronic venous insufficiencyâ (CVI) but not all swollen legs are caused by CVI. Get your legs checked by a doctor just in case you have a heart or kidney problem, which can also cause water retention in legs feet and ankles. Swollen legs are also common in pregnancy and are caused by the pressure of the baby on the veins in the pelvis.