Radium: "The discovery of radium led to a whole industry of radium-infused glowing products, as well as numerous quack medicines. One advertisement touted the benefits of preparing radioactive drinking water at home to cure various ailments. The risk (TRULY) wasn’t well understood until much later, when workers making radium products started dying horribly." THE EFFECTS WEREN'T IMMEDIATE, WHICH IS WHY THEY DIDN'T UNDERSTAND THE DANGER; LINK=>ARTICLE: CRAZY MEDICAL PRACTICES IN HISTORY