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.
Ruptured aneurysm. Ruptured aneurysm. A sudden, severe headache is the key symptom of a ruptured aneurysm. This headache is often described as the worst headache ever experienced. Common signs and symptoms of a ruptured aneurysm include: Sudden, extremely severe headache. Nausea and vomiting. Stiff neck. Blurred or double vision.