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Josh Karels

For Minnesota boy, hockey is more than a game

For 15-year-old Josh Karels, who was diagnosed with multisystem autoimmune disease, an illness that causes the body's inflammatory system to destroy healthy organs, the bonds built through hockey are the foundation of his life.

Meet the Team

Pediatric gastroenterologists on the professional staff at Children’s Minnesota are among the most experienced in the region. All are board-certified in both pediatrics and gastroenterology to offer GI services customized for kids’ needs.

Conditions and Services

Gastrointestinal disorders that impact a child's digestive system run the gamut. They include everything from nutritional challenges, like lactose intolerance, to chronic illnesses, such as hepatitis.


Gastroenterology involves the diagnosis, treatment and management of problems affecting the digestive system, also known as the gastrointestinal, or GI, tract. This crucial system includes an impressive array of organs, including the liver, pancreas, gallbladder, esophagus, stomach, small intestine, large intestine and anus. The digestive system's main job is to convert foods and drinks into nutrients so that kids can thrive.

Holy Angels athlete refuses to let ulcerative colitis knock him down

For the past year and a half, Scott Lohan has been in and out of the hospital and endured lengthy procedures because of a chronic illness.