- VHL HealthSheet #82949_VA
Nonstop flow of blood from the heart to the body and back to the heart again is called circulation. Blood vessels are hollow muscular tubes that carry blood throughout your body, much like pipes circulate water in your home.
Controlling Your Cholesterol
- VHL HealthSheet #82036_VA
Cholesterol is a waxy substance that travels in your bloodstream. When you have high cholesterol, it builds up in the walls of your blood vessels. This makes the blood vessels narrower and blood flow decrease. Then you could have a heart attack or a stroke.