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How much cotinine is normal?

April 26, 2017cotinine normal

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How much cotinine is normal?

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People who do not smoke or who are not exposed to other peoples’ smoke should not have measurable cotinine. People who do smoke will have a cotinine level of 10 or higher in their blood, and a typical smoker has levels of 150 to 450 units. Levels in urine are ten times higher.