what causes fluids to build up in the legs
Fluid retention (edema) is excess fluid that collects in the tissues in your body. Most commonly, fluid retention is marked by swelling of your feet and lower legs, but swelling could also occur in your arms, hands, face, or other areas of the body. Fluid retention can be caused by a wide range of conditions and diseases. The most common cause of fluid retention is too much salt in your diet.