The space between the arachnoid and pia meningeal layers encasing the brain is a landscape of connective tissue, blood vessels, and cerebrospinal fluid. Scientists debate how that fluid moves within ...

The middle cerebral artery (MCA) is the largest of the three major arteries that channels fresh blood to the brain. It branches off the internal carotid artery. It supplies blood to lateral (side) ...

A brain embolism is a blockage in an artery within the brain or in an artery that supplies blood to the brain. Blockages can be caused by a blood clot, fat globule, or air pocket within an artery. A ...

PHOENIX, Feb. 9, 2024 — Injection of a substance to block an artery feeding the dura (protective sack around the brain) along with surgery to remove pooled blood reduced the risk that patients will ...

It's called a silent killer. Warnings are rare, but of the million people who suffer a ruptured brain aneurysm each year, almost half will die and only a third will recover without disabilities. A new ...

As we age, our arteries gradually become less flexible, making it harder for the heart to pump blood throughout the body. This hardening of the arteries occurs faster in people with high blood ...

Persistent asthma is linked to higher levels of inflammation and plaque in the arteries that deliver blood to the brain, potentially increasing heart attack and stroke risk. The corresponding study ...

A vasospasm is when one of the arteries carrying oxygen-rich blood throughout your body suddenly contracts. (The word "vaso" means vessel, and "spasm" is a sudden, involuntary muscle squeeze.) This ...

Add Yahoo as a preferred source to see more of our stories on Google. Few bodily functions are as misunderstood as blood clots. While most people have heard about blood clots in the heart or brain ...