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.
Edema can also be an early sign of kidney disorder, heart or liver problems. Gout is another common cause of swelling of the feet and ankles. Gout occurs as a result of crystallization and accumulation of uric acid in the joints, in this case in the ankle joint. This causes inflammation and inflammation causes swelling.Swelling of the ankles can be a symptom of arthritis as well.out is another common cause of swelling of the feet and ankles. Gout occurs as a result of crystallization and accumulation of uric acid in the joints, in this case in the ankle joint. This causes inflammation and inflammation causes swelling.