Eating Oreos may cause black stools.
Oreo cookies contain black additives, if a large amount of Oreo cookies at once, the human body can not be decomposed and digested, which can lead to Oreo in the black pigment will enter the stool, thus appearing black stool phenomenon.
However, it should be noted that there are many other causes of black stools, such as gastrointestinal bleeding, etc. If the phenomenon of black stools after a few days with no signs of improvement or abdominal pain and other symptoms, you need to go to the regular hospital in a timely manner, to clarify the cause of the disease, and standardized treatment under the guidance of the doctor, so as to avoid delays in the condition of the body to bring about adverse effects.