From what I've been taught at school, the small bowel (small intestine) extracts nutrients from the food. At this stage the contents still contain a large amount of water, to help with digestion. The...
There are many things that can cause irregularities.
Here is a short list:
Emotions Certain Foods you might have a condition such as IBS, ect Exposure to harsh conditions Colds / Viruses
It really...