Pooping can have physiological and psychological effects that may feel pleasurable. Passing a bowel movement involves tension in certain muscles. Relaxing the muscles after a motion stimulates the ...

Problems with your pancreas, liver, or gallbladder can cause yellow poop. Yellow poop is normal in infants. If you have fat malabsorption, you may develop fat-soluble vitamin deficiencies, iron ...

The normal poop of a healthy breastfed baby is brownish yellow or green, seedy, and sometimes slightly runny. However, in the first few days after delivery, the baby may pass thick, blackish stools.