Cerebral amyloid angiopathy (CAA) is a condition where protein (called amyloid) builds up in the brain, making blood vessels weak. People with CAA are four times more likely to develop dementia within ...

The first international trial of an unproven stroke treatment available in the U.S. has concluded that, while harmless, "perispinal" etanercept—injected into the spinal area—is no more effective than ...