Australian radio host Kyle Sandilands announced on air yesterday that he has a brain aneurysm and needs urgent brain surgery.

Arteries can be found in every part of the body (except the hairs, nails, upper layer of the skin ... of the chest wall. The subclavian arteries also feed into the circle of Willis, an area ...

An aneurysm can develop if there is a weak part of an artery wall. The walls of arteries are made of three layers: an inner lining of cells, a middle layer of muscle and elastic fibres ...

only allows blood to pass through one cell at a time Other features Thick muscular walls to withstand blood flowing at high pressure as it leaves the heart; the largest artery is the aorta Contain ...

a SCAD is a tear in the heart's artery wall. "It's actually bleeding inside the artery wall, sort of like a bruise inside the artery, and that bruise can get so big that it blocks blood flow.