crohn's disease affects men and women equally and seems to run in some families. about 20% of people with crohn's disease have a blood relative with some form of inflammatory bowel disease most often a brother or sister and sometimes a parent or child. crohn's disease can occur in people of all age groups but it is more often diagnosed in people between the ages of 20 and 30. people of jewish heritage have an increased risk of developing crohn's disease and blacks are at decreased risk for developing crohn's disease.
who gets crohn’s disease?