‌Arteries and veins (also called blood vessels) are tubes of muscle that your blood flows through. Arteries carry blood away from the heart to the rest of the body. Veins push blood back to your heart ...

Arteries carry oxygenated blood away from your heart. They have thick walls and a muscular layer that keeps your blood moving. Arteries can be as wide as a nickel (about two centimeters). They are the ...

Taking care of your cardiovascular system is key to a long and healthy life. We spoke with cardiologist Dr. John Gribar, MD. You can hear Dr. Gribar discuss vascular health and conditions such as ...

Dr. Thoralf Sundt answers the question: 'Bypass -- Vessels From Legs Or Chest?' — -- Question: How does a surgeon decide whether to use veins from the legs or arteries from the chest to do bypass ...

Vascular surgery is a surgical specialty that treats conditions that affect your vascular system. Your vascular system includes your arteries and veins. Vascular surgeons use medical treatments, ...

Varicose veins are swollen, twisted veins caused by weakened valves that allow blood to pool. While often a cosmetic issue, they can pose health risks like blood clots and skin ulcers. Self-care ...

Cynthia Elford had recently lost her left leg to Type 1 diabetes, after a sunburned big toe turned nearly black and forced an amputation. Now, Elford was being told the same thing was happening in her ...

Arteriovenous malformations (AVMs) are tangles of blood vessels that cause the atypical flow of blood between your veins and arteries. If they rupture, they may be life threatening. AVMs usually ...

I received an interesting note from a reader with varicose veins. She hates them, “their disgusting appearance,” and wanted to know the cause, if they pose a health risk, and what steps she can take ...