About the data: We used the family income data from the 2013 American Community Survey. This counts only families, which the government defines as households with two or more people related by birth, marriage or adoption. The graph focuses on families living in the country's 30 most populous cities.
Diseases and conditions that may cause edema include: 1  Congestive heart failure. 2  Cirrhosis. 3  Kidney disease.  Kidney 1  damage. Weakness or damage to veins in your legs.  Inadequate lymphatic 1  system. Symptoms.  Risk factors.
See a list of possible causes in order from the most common to the least. 1. Foot, Leg, and Ankle Swelling. Foot, leg, and ankle swelling is also known as peripheral edema, which refers to an accumulation of fluid in these parts of the body. The buildup of fluid usually isn't painful, unless it's due to injury. Swelling i...