Some people in the United States say that the use of [[mercury]] in [[dental filling]]s, [[vaccination]]s, or [[light bulb]]s is too dangerous to be justifiable. Others say the hazards are minor enough to justify the risks. | Some people in the United States say that the use of [[mercury]] in [[dental filling]]s, [[vaccination]]s, or [[light bulb]]s is too dangerous to be justifiable. Others say the hazards are minor enough to justify the risks. |