Ananthakrishnan AN

Crohn's disease (CD) and ulcerative colitis (UC) are chronic immunologically mediated diseases that often have a relapsing-remitting course in young persons. Genetic-risk polymorphisms explain less than one third of the heritability of dise…

BackgroundOral contraceptive use has been associated with risk of Crohn's disease (CD) and ulcerative colitis (UC).ObjectiveTo determine whether this association is confounded or modified by other important lifestyle and reproductive factor…