During National Radon Action Month, the Wisconsin Department of Health Services (DHS) is encouraging residents and business owners to test their homes and buildings for radon. Exposure to radon is the second-leading cause of lung cancer nationally, and easy-to-use tests are widely available. “Radon is an environmental health issue in our state. Approximately one in 10 homes have elevated radon levels across Wisconsin,” said Paula Tran, State Health Officer. “…(see release)