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Submission + - MIT Study: Prolonged Low-level Radiation Damage Heals (

JSBiff writes: A new study from MIT scientists suggests that the guidelines governments use to determine when to evacuate people following a nuclear accident may be too conservative.

The study, led by Bevin Engelward and Jacquelyn Yanch and published in the journal Environmental Health Perspectives, found that when mice were exposed to radiation doses about 400 times greater than background levels for five weeks, no DNA damage could be detected.

Numeric stability is probably not all that important when you're guessing.