Tag: forensic science international

Marijuana Topicals: Consistent Use Will Not Result in Failed Drug Test, Finds Study

The consistent, multi-day use of marijuana topicals at varying THC levels did not result in a negative drug test for any participant of a new study published by the journal Forensic Science International. For the study, researchers used “two commercially produced products topically that contained 1.7ng and 102ng THC per mg, respectively”. In an experiment; …

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Study: Elevated THC Blood Levels Persist for Days in Habitual Cannabis Consumers

By Paul Armentano, NORML VICTORIA, AUSTRALIA — The presence of THC may persist in the blood of habitual cannabis consumers for multiple days at concentrations above 5ng/ml, according clinical data recently published in the journal Forensic Science International. Australian researchers assessed daily concentrations of THC in the blood of 21 subjects over a period of 7 days …

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