SUBJECT: bowel movements
MESSAGE: whenever I eat ANYTHING within 10-15 minutes I start having slight stomach cramps and I have to rush to the bathroom and my stool is from slightly firm to liquid - what's causing this?  I'm afraid to eat out at restaurants - it's been happening for about 3 years now  I'm a 53 year old, 5', 7" in height, african-american woman, never had children, about 50 lbs overweight

Summarized question: What are the causes of cramps and diarrhea after eating?