The following statement(s) is/are true concerning the epidemiology of Crohn’s disease.
A.	Crohn’s disease has an age distribution with peaks between the ages of 15 and 30 years and 65 and 75 years
B.	There is a definite female predilection for Crohn’s disease
C.	The disease is equally prevalent in industrialized versus underdeveloped countries
D.	First and second generation relatives with Crohn’s disease have an increased prevalence when compared to the general population
Answer:D
The following statement(s) is/are true concerning the epidemiology of Crohn’s disease.
A.	Crohn’s disease has an age distribution with peaks between the ages of 15 and 30 years and 65 and 75 years B.	There is a definite female predilection for Crohn’s disease C.	The disease is equally prevalent in industrialized versus underdeveloped countries D.	First and second generation relatives with Crohn’s disease have an increased prevalence when compared to the general population