Fig. 1
From: A message to Fukushima: nothing to fear but fear itself
Examples of adaptive responses or hormesis. I, growth stimulation of Tetrahymena pyriformis by γ-rays [23]. II, hormetic effects of γ-rays on mutation induction in Drosophila melanogaster [29]. III, life span extension by life-ling γ-ray irradiation in mice [26]. VI, hormetic effects of radiation on solid cancer induction in Atomic bomb survivors in Hiroshima [28]. V. hormetic effects of radiation on leukemia induction in Atomic bomb survivors in Hiroshima [29]. VI, decreased lung cancer mortality in regions of high radon levels [30]