Why were radium watches banned?

Inquiring minds want to know, why were radium watches banned? These seemingly futuristic timepieces, once heralded for their glowing dials and novelty, seem to have fallen into obscurity. What was the science behind their radium-infused design, and how did it ultimately lead to their prohibition? Was it a matter of safety concerns, or did the technological advances of the time render them obsolete? It's a fascinating tale of scientific discovery, consumer culture, and the intersection of health and technology. Let's delve deeper into the mystery of why radium watches were ultimately taken off the market.