[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.
However, with the summer humidity comes another foot problem. Swelling of the legs and feet are very common in the warmer months. Swollen legs and feet due to heat is known as heat edema. The heat causes the blood vessels to dilate when you stand or sit for a long time, causing a buildup of fluids in the legs and feet.