Study seeking cause of Crohn’s disease hopes to develop predictive test

TORONTO — With three brothers affected by either Crohn’s disease or ulcerative colitis, Kathleen Crispi knows she is at high risk of developing one of the literally gut-wrenching conditions known to run in families. So about a year ago, she volunteered to take part in the largest-ever study of inflammatory bowel disease (IBD) — research that hopes to unlock the underlying cause of Crohn’s, with the ultimate [&hel