article_snippet: Meanwhile, a special red‑light laser could banish bad breath.
article_snippet: A team of researchers from the University Nove de Julho in Brazil found that low-level laser light, which can kill bacteria, cut levels of bad breath-causing chemicals by around a third in 60 minutes.
article_snippet: low-level laser light, which can kill bacteria, cut levels of bad breath-causing chemicals by around a third in 60 minutes is used in conjunction with a special light-sensitive dye on a patient’s tongue, in order to target the bacteria-killing effects of a special red‑light laser.