It's my dad's sister. Crohn's can be genetic and it seems to be more common in Eastern Europe (Ashkenazi) descendent Jews. See here as a jumping off point for

It's my dad's sister. Crohn's can be genetic and it seems to be more common in Eastern Europe (Ashkenazi) descendent Jews. See here as a jumping off point for that: http://en.wikipedia.org/wiki/Medical_genetics_of_Jewish_people http://en.wikipedia.org/wiki/Medical_genetics_of_Jewish_peop...