Jim Karol, aka Jimmy Da Brain, was diagnosed with cardiomyopathy just before his 50th birthday. Through the power of positive thinking and a daily regimen of brain exercises, Jim was able to reverse his medical condition. Now almost 70, he leads a healthy life as a renowned mentalist, a performer and the author of the self-help book Ultimate Memory Magic. He has also appeared on The Tonight Show, Today and Ellen. Here's an episode of Bar Fights you'll never forget.