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 ...

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 ...

Brain imaging offers a way to examine how different regions of the brain participate in cognitive function”— Dr.