Is Radiation Necessary For Life?

It seems so. Recent studies on the biological effects of radiation carried out under radiation levels from natural background to essentially zero radiation, demonstrate that the absence of radiation is not good for organisms (Castillo et al., 2015).

Following experiments with microbes and human lung cells that showed similar results, these new experiments with different bacterial species show that growth was inhibited by the lack of radiation, contradicting the predictions of traditional hypotheses concerning the biological effects of radiation.

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