The unpleasant mouth odor, known in medical terminology as halitosis, can affect many people’s lives. This type of problem is often attributed to lifestyle habits and is generally easily remedied. However, sometimes more serious health issues, such as liver or kidney failure, may be behind it, requiring attention. Mouth odor is most commonly caused by sulfur compounds produced by bacteria in the mouth during the breakdown of consumed proteins. Natural processes in the human body, such as sleeping, eating, or fluid intake, can all contribute to the appearance of bad breath. However, not every unpleasant odor indicates illness; in many cases, the smell experienced in the morning, after a prolonged…