STEUBENVILLE — In recognition of January being National Radon Action Month, the Ohio Department of Health is encouraging Ohioans to test their homes for the radioactive gas and take steps to reduce risk if elevated levels are detected. Jefferson County Health Commissioner Nicole Balakos said radon gas is the second leading cause of lung cancer. “Radon gas is the leading cause of lung cancer in non-smokers and is found in homes in all counties in Ohio,” she said. “Radon is a cancer-causing gas that is produced when the uranium breaks down. It can enter your home through the ...