These are the top six takeaways from The Dispatch's "Invisible Killer" investigation into Ohio's radon failures.

After The Dispatch's "Invisible Killer" investigation published, thousands requested free radon tests from the state. The ...

School districts cited the lack of a state law and limited resources for why they don't test for radon as recommended by ...

A Dispatch investigation found federal, state and local failures have left Ohioans at higher risk of an early, preventable ...