Leakiness in the brain could explain the memory and concentration problems linked to long COVID. In patients with brain fog, MRI scans revealed signs of damaged blood vessels in their brains, ...

Subtle changes in how blood flows through the brain and how brain tissue uses oxygen may be closely linked to Alzheimer's ...

Dear Dr. Roach: A recent fall split the skin below my left eye. I went to the emergency room to see if it required stitches. Since I complained of a headache in the back of my head on the left side, ...

"Amyloid and tau proteins are often considered the primary players in Alzheimer's disease, but blood flow and oxygen delivery are also critical,” said Amaryllis A. Tsiknia from USC's Mark and Mary ...

The venous system maintains the health of our brains by removing deoxygenated blood and other waste products, but its complexity and variability have made scientific study difficult. Now, a UC ...

DCE-MRI uses a blood-borne contrast agent to capture before and after images of the brain’s vasculature. It “ possesses an unparalleled capacity to quantitatively measure not only perfusion but also ...

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 ...

Discover how white matter changes in the brain can predict aging trajectories and cognitive decline in individuals.