1 doctor weighed in:

If you smoke marijuana once a week how long will it take to leave you system? About half a blunt each time

1 doctor weighed in
Dr. Walter Husar
Neurology

In brief: Urine or hair

Urine testing about 72 hours, it will present in hair for about six months.

In brief: Urine or hair

Urine testing about 72 hours, it will present in hair for about six months.
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