The color of stool is related to the chemical changes of bile. Healthy people's stools are khaki, large and shaped, and it is best if they can float. Prove that you can eat more plant cellulose, not more meat, and your stool will float. If it is dark brown and heavy, it means eating too much meat. If the stool is sour, it proves that there is fire in your stomach and the flora in your intestine is out of balance, that is, there are more harmful bacteria than beneficial bacteria, so you can drink yogurt twice a day. Diarrhea that is too thin and sticky indicates constipation, and dark color indicates constipation for a long time. If there is a lot of undecomposed food in the feces, it means that your stomach is sick, or you have to swallow dinner.
Because in order to make up for the loss of gallbladder function of storing concentrated bile. Bilirubin and biliverdin in bile react with food to produce yellow feces.