There are trillions of microorganisms living in your gut—and they might just be the key to helping treat diseases like Crohn's and ulcerative colitis. Meet a researcher who spends her days exploring this microscopic world.
By the time she was in her 20s, Marisa Troy had endured numerous operations for ulcerative colitis. And when he became a new dad, Frank Garufi's life changed in ways he couldn't have imagined when his son was diagnosed with Crohn's disease. Then they found each other.