The LNT Model and ALARA in Diagnostic Imaging: A Critical Review of Scientific Evidence in the Low-Dose Range
Background The Linear No-Threshold (LNT) model and the As Low As Reasonably Achievable (ALARA) principle form the cornerstone of contemporary radiation protection. Although these frameworks were designed as conservative regulatory tools, their extrapolation to the low-dose and dose-rate (LDDR) range commonly encountere...