WHAT IS SHRED: Shred415 is the workout that delivers four 15-minute intervals of high-intensity group training with the flexibility to modify for your own fitness program. WHY WE SHRED: 20% of all cancers are gastrointestinal, and GI cancers take the lives of over 100,000 people every year. It is our job to change those numbers by finding a cure. THE CAUSE: The Foundation works in partnership with the Robert H. Lurie Comprehensive Center of Northwestern University, a national leader in…