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Why opioid overdose deaths seem to happen in spurts

Published: 9 February 2017

But we shouldn't assume that such deaths are necessarily linked, cautioned Nicholas King, an associate professor at McGill University in Montreal who has studied the factors behind increased opioid-related deaths in the United States and Canada. "We know from historical experience with so-called 'cancer clusters' that in many cases the clustering is either the result of confirmation bias, or is simply the result of random chance," he said.

Read more: CNN

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