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Is a little poison good for you?
Listen to the CBC Radio Show "Quirks
& Quarks" A radical and largely forgotten idea has been dusted off, polished up and reintroduced to the scientific world. The idea, as toxicologist Dr. Michael Dourson from the consulting firm of Toxicology Excellence for Risk Assessment explains, is that small amounts of chemicals, just below the toxic levels, may actually provide some benefit to our systems..Not all researchers agree that hormesis is a common or general response, though. Dr. Daniel Krewski, director of the McLaughlin Centre for Population Health Risk Assessment at the University of Ottawa, thinks that, while hormesis is an interesting phenomenon and may occur in some circumstances, many toxins are probably poisonous at even the lowest levels. |
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