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By Robert Peter Gale, MD, PhD, Eric Lax, and F. Owen Hoffman  / March 1, 2013

On Radiation and Cancer Risk

We owe our life to radiation. The universe was created in a thermonuclear explosion, and continued existence of life on Earth depends on plants using chlorophyll to capture light energy emitted by the sun (and exploding supernovas) and converting it into chemical energy, with the subsequent...