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.
Otherwise, aneurysms tend to produce symptoms only when there are complications such as rupture. Symptoms can also be related to the cause of the aneurysm rather than the aneurysm itself. In the case of infection or vasculitis (blood vessel inflammation), for example, there may be fever, malaise or weight loss.4. On the next page, we look at the complications, treatment and prevention of aneurysm. 1.