Pain: scientists say that it's the worst feeling the brain does to us. And yet, it's not necessary for the human body to feel pain: the eyes can easily see when something sharp has cut you, the ears can hear anything that is karate chopping you, and the skin can feel when it's wet with blood. So what is the point of undergoing pain? We feel pain because the brain craves it.

On Advances Of Brain, Thad Rynolds, world record holder for most concussed living person, delivers to you the latest in brain science from the Synapse Clinic For Neo-Neurology, where he is a research subject of clinic founder Dr. Tisha Synapse.