Question

How does fiber affect the gastrointestinal health?

Answer 1

Along with food fibre is desirable to push food in gastrointestinal tract.

Explanation:

Our food is carbohydrates proteins and fat. If food is too refined it stays in gastrointestinal tract for longer duration.
If food remained in g I tract for a long time releases toxic products due to microflora.
To push the food microfiber is required.
Therefore natural fibres should remain along with food.