BVO, which contains bromine, an ingredient used to keep fabric from catching fire, is added to beverages like Mountain Dew, and some citrus sodas to protect flavor. Research shows that BVO accumulates in fatty tissues and may cause serious health problems. For people who frequently consume one or two liters of a drink with BVO, there's a real risk of organ damage. There also have been a few reports of people experiencing memory loss and skin and nerve problems after drinking excessive amounts