If you're in the middle of the middle, however â not lower or upper-middle class â that would be an income range between $39,764 and $64,582, says Aaron Pacitti, an assistant professor of economics at Siena College in Loudonville, N.Y. Again, it isn't official.
Edema definition and facts. Edema is a swelling, usually of the legs, feet, and/or hands due to the accumulation of excessive fluid in the tissues. The edema that occurs in diseases of the heart, liver, and kidneys is mainly caused by salt retention, which holds the excess fluid in the body.
Causes of Leg edema that are common The following causes of Leg edema are diseases or conditions that affect more than 1 million people in the USA: Congestive heart failure. Graves Disease - non-pitting edema of the lower extremities. Pregnancy. more causes...Â».