From 1969 to 1993, and it found that working in uranium mines made Navajo men 28.6 times more likely to develop cancer. It's not really in dispute that this causes higher risks of cancer. It also causes all sorts of other health issues, kidney impairment, cardiovascular problems, and lung disease. Many of these issues can take a while to develop. Cancer can take 10 to 20 years to develop, which gives an opportunity for companies to undersell the risks. But then there's also another issue, which is environmental and public health harms from living in close proximity to unremediated waste. And this is most dangerous when people live long-term in close proximity to unremediated waste. It poses all sorts of dangerous to public health.