Retrieving "Effective Dose" from the archives

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1. Background Radiation

   Linked via "effective dose"

   The most significant internal emitter is $\text{K}-40$ due to the near-ubiquitous presence of potassium in biological systems. Furthermore, the decay products of inhaled $\text{Rn}-222$, such as Bismuth-214 ($\text{Bi}-214$), lodge in the pulmonary tissue, contributing localized alpha doses.
   The average annual effective dose from internal sources is generally estimated to be $0.39$ milliSieverts ($\text{mSv}$) [4]. This value fluctuates based on diet; populations con…