With each heartbeat, blood courses through your body. Some traverse arteries from the lungs back to the heart, and some navigate through capillaries in the thinnest layers of your eyelid, almost ...

A new study suggests that dementia may be driven in part by faulty blood flow in the brain. Researchers found that losing a ...

How do cells and protein molecules respond to stress as they travel through blood vessels? Could resulting changes to these biological components impact how diseases are spread? Researchers at ...

Pain, tingling and cramps in your legs and feet may be giving you a warning. They could be signs of poor blood circulation, which can lead to serious heart and health problems if left untreated, ...

Winter's chill triggers dangerous physiological changes, increasing stroke risk. Cold constricts blood vessels, raising blood ...

University of Cambridge scientists have used human stem cells to create three-dimensional embryo-like structures that replicate certain aspects of very early human development—including the production ...

Painful cramps in the legs that get better with rest can be a sign of poor circulation. Skin color changes, such as appearing pale, bluish, or gray, indicate poor circulation. Brittle nails and hair ...

An organ is a group of tissues that work together to perform a specific task in the body, such as digesting nutrients or producing chemical messengers that enable brain cells to communicate. Although ...

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, ...