What kind of damage does a security checker do to the human body?

The x-ray radiation of the security checker is similar to that of the hospital radiology department, but the radiation of the security checker is only temporary for a short period of time, as long as you don't drill the whole person into the security checker, and just let your belongings be examined by the security checker, you shouldn't have too much problem. Relatively speaking, hospital radiology medical workers receive x-ray radiation every day, will be more dangerous, in the radiology department to work in the medical workers will regularly go to the designated institutions to receive physical examination every year, in order to determine whether the radiation has no harm to their own bodies.