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 rarely causes any symptoms unless it bursts (ruptures). However, unruptured brain aneurysms occasionally cause symptoms if they are particularly large or press against tissues or nerves inside the brain. Symptoms of an unruptured brain aneurysm can include:ymptoms of a ruptured brain aneurysm usually begin with a sudden agonising headache. It's been likened to being hit on the head, resulting in a blinding pain unlike anything experienced before. Other symptoms include: 1  stiff neck. 2  feeling or being sick.