Researchers are not yet certain of the answer. But many believe that the pain of fibromyalgia comes from âcentral sensitization.â This means that the problem might be a result of overactive nerves in the central nervous system (CNS) which can cause a more intense response to pain.he CNS is made up of the brain, the spinal cord and the nerves that control physical activities. For fibromyalgia patients, this possible problem in the central nervous system may lead to a greater sensitivity to pain. Itâs almost as if the âvolume controlâ for pain is turned way up.
Freebase(0.00 / 0 votes)Rate this definition: Haar. Haar is a municipality in the district of Munich, in Bavaria, Germany. It is 12 km east of Munich. As of 2005 it has a population of some 20'000. It is home to the Haar Disciples, a team in the first division of German's Baseball Bundesliga.
Making the world better, one answer at a time. A Lahar is a type of mudflow made of pyroclastic material and water that flows down from a volcano. the word Lahar originated from Indonesia. Lahars can be deadly because of their energy and speed.ahar is an outflow of mud, rock and other pyroclastic material from a volcano which mixes with water as it proceeds down a river valley. Essentially it is a mudflow or lands â¦ lide resulting from volcanic action, usually very fast moving and destructive.