A female asked:
how long does weed stay in your system?
1 doctor answer
Dr. Charles Glassman answered
35 years experience Internal Medicine
Marijuana in Body: The active ingredient in marijuana is THC. The half-life (meaning how long it takes for 1/2 of it to "disappear") is about 20 hours. It can settle in fat cells and take time to get out of the body. Generally after 2-weeks it is all gone, although there have been reports of up to 30-days.
Answered on Dec 25, 2018
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