People with multiple sclerosis often have trouble with memory, attention and mental processing. New research shows some of these issues could stem from sleep disorders.

Aging skin is less able to bounce back from wear and tear and wounds than younger skin. A new study identifies why.

When ketamine is used for general anesthesia, two connected parts of the cortex turn to “isolated cognitive islands.”

ALS is a debilitating, progressive disease without a cure. Researchers now find pesticides and other environmental toxins could play a part in the disease’s onset.

Families rely on doctor recommendations after a brain hemorrhage, but new research shows different physicians make very different decisions.