Young people have a tendency to feel like nothing can stop them, that they are invincible. When you're full of energy and passion, that's not a hard thing to do. But even for the strongest and most determined Millennials, sometimes you have to be a warrior for your wellbeing. Zach Heath, a University of Missouri MBA student and an entrepreneur launching his own medical company, knows this fact to be true. On top of being a student and startup founder, he’s also a stage-four colon cancer patient.