A member asked:

How long does marijuana stay in the bloodstream?

3 doctors weighed in across 2 answers

Depends: The drug will attach to fat cells in your system and gradually release/disappear over time. Infrequent or brief exposure will usually clear within a week.A chronic user may see a positive test for a month or more after stopping.

Answered 1/12/2017

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Dr. Leonard Lado answered

Specializes in Psychiatry

Thc in bloodstream: Hunault et al 2000 calculated that high dose (23 %) marihuana can stay in your blood stream up to 8 hours. However cannabis users can have products of metabolism circulating and excreted for prolonged periods of time. Cannabis users are usually identified through detection of 11-nor-9-corboxy-delta9-tetrahydrocannabinol (thccooh) in urine. Thccooh may be detectable up to 3 months.

Answered 2/7/2015

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