Unlike arteries, veins contain valves that prevent backward flow as blood travels against gravity, particularly in the legs. When these valves weaken or fail, circulation problems often develop.

Researchers are making ever more sophisticated mini organs in the lab — and now they can grow their own blood vessels. The ...

They treat arteries and veins in all parts of the body except for the heart and brain, which are handled by other specialists. Vascular surgeons are primarily concerned with matching the person to ...

Carotid artery disease, also called carotid artery stenosis, occurs when the carotid arteries, the main blood vessels that carry oxygenated blood to the brain, become narrowed. The narrowing of the ...