DEFINITION of 'Commodity'. 1. A basic good used in commerce that is interchangeable with other commodities of the same type.
Brain Aneurysm Symptoms & Signs. A brain aneurysm is a bulging area within the wall of an artery that supplies the brain. In most cases, brain aneurysms do not produce symptoms. In some cases, the aneurysm may cause symptoms by pushing on other areas of the brain. Depending on the size of the aneurysm and the area involved, these symptoms can include headaches, neck pain, blurred vision, and speech changes.
A brain aneurysm is a weakness in the wall of a blood vessel in the brain. The blood vessel inflates in the weak area, similar to blowing up a balloon. That area can get thinner and weaker over time, and at some point can rupture. Ruptured brain aneurysm symptoms can include: