Exactly. The problem is that after a while of eating junk food and avoiding fibres there will be a die off of the "good" bacteria in the gut... and that could lead to inflammation. And I would become a really fat guy
double-edged sword...
You are exactly right, a low fiber diet long term will kill off good bacteria too. I went on a low starch, high fat, moderate protein diet and took anti-microbial herbs for 6-7 months just to lower the amount of bad bacteria before I added starches and soluble fibers back into my diet.
So I didn't feed the bad bacteria with them. A few weeks ago, I started adding prebiotics (soluble fiber) back into my diet and I feel a big improvement from it. I don't know if that would have been the case before I did 6-7 months of diet and anti-microbial herbs to lower the bad bacteria in my gut.
The "specific carbohydrate diet" is the diet I followed. Although, knowing what I know now, I would have added small amounts of white rice and white potatoes. To make the diet easier to stay on because they are very quickly absorbed into the bloodstream from the small intestine.
Soluble fiber and prebitoics I think are the best way to increase good bacteria in the gut but timing could be very important to not feed the bad bacteria and worsen the problem.
Jim