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.
Much like reading rune stones, interpreting what the color of your poop actually means requires some serious interpretation. A shade of dark red could mean absolutely nothing or something very significant.