The blood–brain barrier acts like a security system for your brain—and exercise may help strengthen it. This article explains how physical activity influences inflammation, circulation, and cellular ...

Functional near-infrared spectroscopy (fNIRS), an optical imaging tool for monitoring of regional blood flow and tissue oxygenation, is being explored as a way to track the brain's response to acute ...

For centuries, medical textbooks have taught that the human body relies on two major circulatory networks: the cardiovascular ...

Researchers have developed a new metric from measured blood circulation in our brain. This metric has implications for brain conditions, including Alzheimer's disease and other forms of dementia. Each ...

A major international study has uncovered a new biological clue that could help predict dementia long before memory problems arise. Researchers from the University of Cambridge and Zhejiang University ...

Mild cognitive impairment is linked to blood vessel dysfunction in the brain's temporal lobes -- the seat of memory -- according to a new study. The findings, seen in people with and without signs of ...

Each time the heart beats, it pumps blood through the brain vessels, causing them to expand slightly and then relax, much like the rise and fall of the blood pulsing through your veins when you feel ...