How toxic is the element radon if a human is exposed to it?

1.6 How can radon and radon progeny affect children? 1.7 How families reduce the risk of exposure to radon and radon progeny? 1.8 Is there a medical test to determine whether i have been exposed to radon and radon progeny? 1.9 What recommendations has the federal government made to protect human health? read more

Radon is a noble gas and so is not a toxic chemical. But it is highly radioactive and its decay products are also highly radioactive and are chemically reactive heavy metals. read more

The general effects of radon to the human body are caused by its radioactivity and consequent risk of radiation-induced cancer. Lung cancer is the only observed consequence of high concentration radon exposures; both human and animal studies indicate that the lung and respiratory system are the primary targets of radon daughter-induced toxicity. read more