Evidence suggests reactivations of the varicella-zoster virus may accelerate aging and raise dementia risk. Now scientists want to know if vaccines and antivirals could help protect the brain.
In 2010, a university lecturer from Colorado started experiencing worrying signs of cognitive decline.
The lecturer—a 63-year-old viral immunologist whose identity has been kept anonymous—suffered alarming symptoms, including impaired memory, waning ... [7041 chars]

