[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.
Other medical conditions or changes in your body can also cause your legs, feet, and ankles to swell. These include: 1  natural changes during a womanâs menstrual cycle. 2  pregnancy. 3  preeclampsia (a condition during pregnancy that causes high blood pressure). 4  a blood clot of the leg.