&gt; The low enough dosages are something where we simply don&#x27;t have anything to compare to as &quot;full absence&quot;.<p>Which is exactly why the Wiki article I originally linked discusses laboratories specifically built to reduce background radiation in order to further this research. (Which is certainly a strange step to take, given that there&#x27;s apparently no debate.)<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Radiation_hormesis#Effects_of_no_radiation" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Radiation_hormesis#Effects_of_...</a>