This can stretch and weaken the artery walls. Another common condition called atherosclerosis can also cause brain aneurysms.

Medically reviewed by Anju Goel, MD Renal artery stenosis is the narrowing of one or both blood vessels to the kidneys. The renal arteries bring blood from the heart to the kidneys to help filter ...

This presentation by Dr. Jim Oates outlines the causes and risk factors for the build-up of fats, cholesterol and other substances on arterial walls (known as atherosclerosis). Oates draws from recent ...