Everyone knows that some foods like garlic and onions can cause bad breath (halitosis), but certain drinks are especially harmful. Drinks that cause bad breath are coffee, alcohol, and carbonated ...

"That's why with parents, we don't recommend they use the same spoon as they can pass along dental caries-causing bacteria [to their kids]," she said. "Bottomline, yes, [halitosis] can be contagious ...

Bad breath is often caused by bacteria in your mouth that gives off noxious odors or gases that smell like sulfur. Bad breath, medically called halitosis, can result from poor dental health habits ...