Bluish hands, known as peripheral cyanosis, can be a harmless response to cold but may signal poor circulation or serious ...

Low blood pressure, or hypotension, can be dangerous as it impairs oxygen delivery to vital organs. When mean arterial pressure drops, organs like the kidneys, liver, brain, and heart are vulnerable ...

A sudden restriction of blood flow to the brain. That's how scientists have traditionally explained why people faint. But several mysteries remain: What causes someone's blood flow to spontaneously ...

New University of Virginia School of Medicine research suggests an unexpected way doctors may be able to improve blood flow to the brain to battle Alzheimer's and other neurodegenerative diseases.

Researchers at NYU Langone Health discovered that cutting off blood flow accelerates cancer growth by prematurely aging the bone marrow and weakening the immune system. In mouse models, restricted ...

Microplastics in the bloodstream may cause blockages the brain and affect our brain functioning and behavior, according to recent research. Environmental biologists tested the effects of microplastics ...