BCAA consists of the amino acids leucine, isoleucine and valine. The reason these three amino acids are called BCAA is because they branch off from the other five essential amino acids, (there are a total of eight), to create their own chain. Amino acids are responsible for the formation of proteins in the body.
An aneurysm is an abnormal bulging out or ballooning of a portion of the artery, usually due to weakness of the arterial wall. The aneurysm may enlarge and rupture, often with disastrous consequences.
Abdominal aortic aneurysm facts. An aneurysm is an abnormal area of localized widening of a blood vessel. The aorta bulges at the site of an aneurysm like a weak spot on a worn tire. Aortic aneurysms are typically spindle-shaped and involve the aorta below the arteries to the kidneys.