A member asked:

Hi sir,i smoked weed fa six months now i stopped for past 15 days..now am in compel to undergo blood,urine test,chest scan.how shall i clear it..

A doctor has provided 1 answer
Dr. Paul Grin answered

Specializes in Pain Management

You are OK: The half life of marijuana is is variable with a mean value of between 13-20 hours. It takes approximately 6 half lives for a drug to be eliminated from your system. 20*6/24=5 days. The marijuana will stay in your system for about 5 days. Take this opportunity and stay clean.

Answered 5/19/2014

4.1k views

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