Subtle changes in brain blood flow and oxygen use are closely linked to hallmark signs of Alzheimer’s, including amyloid plaques and memory-related brain shrinkage. Simple, noninvasive scans may one ...

Subtle changes in how blood flows through the brain and how brain tissue uses oxygen may be closely linked to Alzheimer’s disease risk, according to new research from the Mark and Mary Stevens ...

Blood circulation is one of the most important functions in the body. It helps to deliver oxygen, nutrients, and hormones to every cell while removing metabolic waste products like carbon dioxide.

After a mini stroke at 25, Hailey Bieber discovered a congenital heart defect called PFO. Her story highlights stroke warning signs and the importance of early care.

National Institute of Neurological Disorders and Stroke investigators at the National Institutes of Health traced meningeal immune activity to dural venous sinuses that actively constrict and dilate, ...

Remarkably, wood frogs in frigid northern regions survive winter by freezing solid for months. Their bodies halt all vital functions, including heartbeat and brain activity. A surge of glucose acts as ...

Arctic ground squirrels and wood frogs exhibit incredible survival tactics, slowing metabolism to near-death states or tolerating being frozen solid. Even zebrafish embryos can suspend development ...

The Outer Worlds 2 update 1.100 is now out as version 1.1.0.0 on all platforms, and this adds quality-of-life features and more.

Beavers do not have white teeth. That the mammals are often portrayed with gleaming white front teeth is one of beaver scientist Emily Fairfax’s pet peeves. Beaver incisors are actually orange, said ...