OT - Interesting Fact

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Date Joined Oct 2008
Total Posts : 114
   Posted 9/13/2010 12:13 PM (GMT -7)   
I have an iphone app that is called Cool Facts. It has a lot of useless facts and information that I probably will never need to know. I came across an interesting one on Saturday and thought I'd share it with you.

Food passes through the small intestine in just 2 hours, sipping along at 0.002 mph. Inside the large intestine, it takes about 14 hours, traveling at a more leisurely rate of 0.00007 mph.

Obviously, there were no Crohnies involved in the research to determine the speed of the process. Don't we wish?

Regular Member

Date Joined Aug 2006
Total Posts : 443
   Posted 9/13/2010 12:26 PM (GMT -7)   
Very cool. I've never seen the miles per hour statistic. But the speed difference between the small and large intestine is why there are relatively few bacteria that live in the small intestine and many in the large intestine—they like a calmer, less turbulent environment.

Veteran Member

Date Joined Apr 2005
Total Posts : 3763
   Posted 9/13/2010 12:38 PM (GMT -7)   
Clearly no Crohnies! If they did the research with us, it would have to include data on what food was involved too.

Regular Member

Date Joined Apr 2009
Total Posts : 166
   Posted 9/13/2010 1:18 PM (GMT -7)   
That would explain why food can go through us so quickly if we have Crohn's in the large intestine. 2 hours to go through roughly 20 feet, and then a quick 5 minute trip through the 5 feet of large intestine!!
45 years old. Diagnosed with moderate to severe Crohn's in April 2005. Hiatus hernia diagnosed in 2008. Had Crohn's under control until March last year when I had a major flare up and ended up in hospital. Diagnosis is now CD and IBS. Getting it under control again.
Currently taking: Salofalk 2000 mg, Calcium and Vitamin D, Matamucil, Yogurt for probiotics, Pregnancy Vitamins for iron etc., Salofalk suppositories as needed.

Forum Moderator

Date Joined Nov 2003
Total Posts : 7122
   Posted 9/13/2010 4:32 PM (GMT -7)   
Did this cool facts app cite its source? From my studies and advanced work, I have always read that normal intestinal transit times are from 36 to 48 hours - that's mouth to anus. The type of diet also influences the transit speed. Diets high in fruits, vegetables and multigrains are processed faster tahn those high in sugar and carbohydrates.

And then there is "everyone is different." Genetics, medications, hydration and stress also affect the transit time.
Moderator Crohn's disease and Irritable Bowel Forums

CD, Ankylosing Spondylitis, small fiber peripheral neuropathy, avascular necrosis, peripheral artery disease, pulmonary hypertension, degenerative disc disease, asthma, severe allergy and a host of other medical problems.

Veteran Member

Date Joined Dec 2005
Total Posts : 1768
   Posted 9/13/2010 6:23 PM (GMT -7)   
"Average" time for a small bowel series is around 1 hour...this is from experience as an xray tech. Most people have barium reach their large intestines around an hour....less time for us though.

32 yr old female-dx with Crohn's in '97 after emergency resection and appendectomy, 2nd resection '05, Bilateral pulmonary emboli 10/09
Currently on Humira, Omeprazole, Effexor, Seroquel, Calcium, Vit D
Coumadin stopped 3/15/10!!!!

Regular Member

Date Joined Aug 2010
Total Posts : 129
   Posted 9/13/2010 6:38 PM (GMT -7)   
Yeah, I think for me it takes about an hour to make the full trip.
26 years old. Diagnosed with Crohn's disease March 2008. Battled a C. diff infection from Summer 2009-Spring 2010. Have been dealing with a severe flare for the past several weeks.
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