A good friend has Crohn's. She has been through a lot. There is no known cure for this insidious disease, or standard treatment. A form of treatment that may help one, may not help another. The Mayo Clinic article is informative:

http://www.mayoclinic.com/health/cro...4/METHOD=print

The National Institutes of Health reports:

Inflammatory Bowel Disease
Incidence:

Ulcerative colitis: 8 new cases per 100,000 people per year (1984–1993) [10]
Crohn’s disease: 7 new cases per 100,000 people per year (1984–1993) [11]

Prevalence:

Ulcerative colitis: 246 cases per 100,000 people per year (2001) [12]
Crohn’s disease: 162 cases per 100,000 people per year (2001) [12]

Mortality: 825 deaths (2002) [2]

Hospitalizations: 169,000—with 62 percent for Crohn's disease (2002) [3]
Ambulatory care visits: 5.9 million per year (1999–2000) [4]
Disability: 161,000 people (1990–1992) [5]