In addition to the radiation risk from the Rapescan machine (and the potential problems of overexposure raised by the OP), you also need to consider the extra r

In addition to the radiation risk from the Rapescan machine (and the potential problems of overexposure raised by the OP), you also need to consider the extra radiation exposure you get from the flight itself. Some numbers here [1] and a calculator here [2]. [1] http://www.hps.org/publicinformation/ate/faqs/commercialflights.html http://www.hps.org/publicinformation/ate/faqs/commercialflig... [2] http://www.sievert-system.org/WebMasters/en/evaluation.html http://www.sievert-system.org/WebMasters/en/evaluation.html