Researchers have discovered that increased blood flow is linked to greater stiffness in the hippocampus, the brain region vital for memory and learning.

Increased blood flow is linked to increased stiffness in the hippocampus, a brain region crucial for learning and memory and one of the first affected by Alzheimer's disease.

In many cases, if you can identify the symptoms you can prevent a fainting spell. Find out how to prevent fainting with minor ...