Have you experienced coughing up a “little stone” instead of mucus? Could it really be possible (medically speaking) to spit out a stone? How does it happen? What could be the reason of such a condition? Lithoptysis, or stone expectoration, originates its word from the Greek lithos, which means stone. It has been known to exist since 4th century BC, the time of Aristotle. It is associated with broncholithiasis, an illness which indicates the presence of calcified material near or even inside...