Smoked but passed drug test

Ic3_cr3am

New Member
Ok so I smoked for a week straight... and 4 days after I last smoked my school did a piss drug test on me which came out negative(just between negative and positive) however... after that my mother did a blood test on me... which came out...... negative

So I want to know how was it possible that the test came out negative even though I didn't try to detox (I tried to drink sugar vinegar but it tasted like shit so I was like fuck this shit)
 

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