Post-traumatic stress disorder (PTSD) is often described as one of the invisible scars that firefighters and others accumulate after years of dealing with trauma in their jobs. Now the scars are ...

Can a simple brain scan determine how old your brain is? Your brain is as old as you are in chronological years, of course, but what about in wear-and-tear years? It would be an exciting prospect if ...

Carole Rainey, whose name has been changed to protect her privacy, started to notice something wasn’t quite right with her husband, Bill, when he began to ramble in a way that was unlike him. He had ...