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Paleolithic (Hunter/Gatherer) Health & Fitness
Diverticulosis 
10th-Mar-2008 03:39 am
Gaga
This is what I've been doing and thinking about since Friday..
*Hoping my paper is arlight* :)

how many grams of fiber do you eat?
Suggested is 10-13g of fiber per 1000Calories you eat.

Thought I would share some stuff.

Colonic diverticulosis refers to small outpouchings from the colonic lumen due to mucosal herniation through the
colonic wall at sites of vascular perforation. Abnormal colonic motility and inadequate intake of dietary fibre have been
implicated in its pathogenesis. This acquired abnormality is typically found in developed countries, and its prevalence
rises with age. Most patients affected will remain entirely asymptomatic; however, 10–20% of those affected can
manifest clinical syndromes, mainly diverticulitis and diverticular haemorrhage. As our elderly population grows, we
can anticipate a concomitant rise in the number of patients with diverticular disease. Here, we review the incidence,
pathophysiology, clinical presentation, and management of diverticular disease of the colon and its complications.

Diverticular disease of the colon
by: Neil Stollman, Jeffrey B Raskin

Fat intake appears to be related to DD, particularly when dietary fibre intake is low. Positive associations were found between DD and saturated, monounsaturated,
transsaturated, and polyunsaturated fats. A weak inverse association was observed for ω-3 fatty acids and DD. When adjusted for physical activity
and dietary fibre, however, the association of DD with total fat and various types of fat was no longer significant (level II evidence).22
The influence of red meat on DD and whether there is biologic interaction between dietary fibre and red meat need to be explored. One study showed that patients with DD had higher average daily fecal bile acid output than controls. The acid output was reduced to nearly the level of controls’ output after administration of bran (level II evidence).26 These findings led some to suggest that DD is a motility disorder
that can be reversed by higher intake of dietary fibre (level III evidence).27

Preventing diverticular disease: Review of recent evidence on high-fibre diets
by:Walid Aldoori, MBBCH, MPA, SCD Milly Ryan-Harshman, PHD, RD
Comments 
10th-Mar-2008 11:05 am (UTC) - Great paper!
I never looked at it before, but holy crap! According to nutritiondata.com, I'm getting close to 40g per day! *happy dance* I'm curious though, I would think that pure roughage (non-digestible fiber) would be very important in preventing DD- and I believe we should eat a good bit of our diets raw. I've noticed that cooking appears to actually increase the availability of dietary fiber- but my brain tells me it clearly decreases the roughage. Also, makes more sense to me that the primitive diet paleo-man thrived on would have been all raw.

What are your thoughts on this? :)
11th-Mar-2008 01:40 am (UTC) - Re: Great paper!
40g wow! Great job!!:) no colon problems for you!

Cooking doesn't increase fiber, I forget the source, but it actually decreases it because your body can metabolize the softer cooked complex carbohydrate.
How did you 'notice' that. Its a curious conclusion to me. Perhaps the cooked insoluble fibers found in vegetables act as soluble fiber instead. So you get more soluble fiber in your diet. I am unsure about this.
I am guessing by roughage, you mean, insoluble fibers.
Insoluble fibers is the most significant fiber preventing diverticulosis. Where as, soluble has an effect on blood cholesterol and insulin levels.
Insoluble fiber has been found to have a strong inverse relation in reducing the risk of diverticular disease and its symptoms (Giovannucci et al., 1998).

-I kinda wish i could have had a discussion rather then have to write 10pgs. :)
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