Restricted blood flow speeds tumor growth by aging the immune system. The findings highlight risks for patients with vascular disease and potential new therapies. A new study from NYU Langone Health ...

Cardiologist Dhun Sethna describes how a 17th-century physician radically reworked our understanding of blood circulation and medicine.

Key Concepts Biology Health Medicine Circulatory system Introduction Why is it important to eat healthily and get exercise? Doing these things keeps your blood flowing well through your ...

Poor blood circulation occurs when there is a drop in blood, oxygen, and nutrient delivery to the arteries often leading to ...

How circulation connects your heart to your feet The cardiovascular system functions as an intricate network, pumping blood from your heart to every extremity, including your feet—the body’s ...

Cutting off blood flow can prematurely age the bone marrow, weakening the immune system's ability to fight cancer, according ...