CNN's Dr. Sanjay Gupta takes you inside the Centers for Disease Control Ebola "war room" where they are tracking the current Ebola crisis.
"Brain Games" host Jason Silva talks with CNN's Dr. Sanjay Gupta about what's really going on inside our heads.
An electrical implant placed in the brain can help symptoms of severe depression. CNN's Dr. Sanjay Gupta reports.
Crisis counselor Gloria Jetter from the National Suicide Prevention Lifeline talks with CNN's Dr. Sanjay Gupta.