If you recently have taken pepto bismal that could be why.
No but when it is red it's bad
poop is the food the body can't digest. therefore yes you can poop food.........poop is food and it can digest into the digestive system and turns it into poop.
Brown to people but not to dogs they poop black.
Too much sugar and too high of heat.
Its wen your sad about bad news or anything disapointing
Yes, I believe they do.
Tar is very bad for you and your lungs. it is inside cigarettes and smoking is very bad for your lungs (turns them black).
Yes
Yes it is!
yes
Cancer
Yes.