Post-traumatic Stress Disorder (PTSD) isn’t caused by just one faulty switch in the brain; it’s more like a tangled orchestra of genes and cells thrown off-key by trauma. With many genetic players ...

People who possess certain personality traits often struggle to turn their brains off at night so they can fall asleep and get the rest they need.

Scientists have identified the molecular changes that occur in the brains of aging mice and located a hot spot where much of that damage is centralized. The cells in the area are also connected with ...