NASA says pat ##s , full - body scans are necessary to prevent weapons from getting on board . TSA trying to balance safety concerns and passengers ' right to privacy . They say extra scrutiny raises concerns for cancer patients , elderly , children . The FAA is evolving , and regulations are being taken into account , White House says .
TSA says pat downs , full-body scans are necessary to prevent weapons from getting on planes . TSA trying to balance safety concerns and travelers ' right to privacy . Doctors say extra scrutiny raises concerns for cancer patients , elderly , children . The process is evolving , and concerns are being taken into account , White House says .