could be a few things, 1. Worms or parasites. 2. Something you are eating. 3. Depending on alot of lifestyle issues and your age, your intestinal tract could be way out of balance. start researching these things and see where you think you might fit. Good luck :-)
hi there,
go to your faly doctorand get it checked out ay ot be nothng would go in to be on the safe side