pulmonary tb in the lungs is contagious it spreads when a person who has active tb breathes out air that has the tb bacteria in it and then another person breathes in the bacteria from the air an infected person releases even more bacteria when he or she does things like cough or laugh
An ideal bowel movement is medium brown, the color of plain cardboard. Stool that is pale or grey may be caused by insufficient bile output due to conditions such as gallstones, hepatitis, chronic pancreatitis, or cirrhosis. Bile salts from the liver give stool its brownish color.
Surely among the grossest and most startling poop types around, light-colored poop â the kind a doctor would refer to as clay-like, because doctors are, frankly, totally foul â is usually caused by a medication you've taken recently, primarily Pepto-Bismol and other anti-diarrhea drugs. If your poop stays light-colored for a while, it could mean that you have a bile duct obstruction or other internal issue, so go see your doctor. green poop Green poop is so common, it even got a shout-out in the Mr. Hankey song.