Most aneurysms occur in the [[aorta]], the main artery traveling from the heart through the chest and abdomen. Aneurysms also can happen in arteries in the [[brain]], [[heart]] and other parts of the body. If an aneurysm in the brain bursts, it causes a [[stroke]]. | Most aneurysms occur in the [[aorta]], the main artery traveling from the heart through the chest and abdomen. Aneurysms also can happen in arteries in the [[brain]], [[heart]] and other parts of the body. If an aneurysm in the brain bursts, it causes a [[stroke]]. |