A. A. A. Unlike osteoarthritis, a condition caused by wear and tear on joints, rheumatoid arthritis happens when your immune system targets your joint linings. Itâs a long-term condition that also affects other tissue, but the joints are usually the most severely affected.
Homefacts City Report. Greenfield is located in Milwaukee County, WI. The population is 36,892, making Greenfield the 4th largest city in Milwaukee County. There are 0 public schools in Greenfield with an average Homefacts rating of NA. The total crime rate for Greenfield is low, and there are 0 registered sex offenders residing in the city.
Sponsored Topics. Greenfield is a city in Greene County, Illinois, United States. The population was 1,179 at the 2000 census. Greenfield is located at 39Â°20â²35â³N 90Â°12â²35â³W / 39.34306Â°N 90.20972Â°W / 39.34306; -90.20972 (39.342969, -90.209798).