You remember how Dorothy, Toto, and the rest of the gang were trying to make their way to see the Wizard of Oz? That’s kind of how veins work in relation to your heart. Your heart is the wizard, and ...

Get to know the functions of your heart, blood vessels, and blood itself and how they work together to maintain your health.

Researchers from Cornell University and the University of Pennsylvania have created a lifelike robotic lionfish with a circulatory system, reports Gizmodo. That circulatory system enables the fish to ...

Poor circulation in the legs affects millions of people worldwide, causing uncomfortable symptoms like cramping, swelling, numbness, and fatigue. While many factors contribute to circulation problems, ...