Learn the top reasons why your poop comes out green, from certain foods to infections, and how to treat and prevent it, according to gut health experts.

Normal poop usually ranges in color from light to dark brown and even greenish. White stool ... bile helps your body digest food and absorb nutrients by breaking down fats into fatty acids.

Primary bile acid malabsorption (BAM) accounts for ∼30% of functional chronic diarrhea cases. Julian Walters and colleagues now report that reduced feedback inhibition of hepatic bile acid ...