how long does marijuana stay in your hair follicles

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Dr. Shariq Refai answered:

How Long Does Marijuana Stay In Your Hair Follicles?

Depends on use.

Open-uri20130910-30124-1y3cpey
it depends on how often you use it. if you used it only once it can be detected by blood for 12-24 hours while it is detected in urine from 1-7 days. with regular use it can be detected in blood for 2-7 days and in urine anywhere from 1-100 days even if a heavy user. age, height, weight, metabolism all are considered factors.
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I have a upcoming drug test, how long does marijuana (thc) stay in your hair follicles? an is there anything to take it out of your system?

Drug deposits

Many drugs , particularly those that are fat soluble , can stay around and show up in drug testing for one month or longer.
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Dr. Barbara Srur answered:

Ive smoked cannabis for a long time and quit 8 weeks ago and was wondering if it will still b in my hair in 4 weeks time?

Yes

Marijuana
Hair, which grows over time, is like the trunk of a tree; it reveals exposure to substances over time. A urine drug screen would not show cannabis after about 1 month drug free, sooner with light usage.
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Dr. Stuart Wasser answered:

How do you flush cannabis out of your system as i will be getting a test done with a strand of hair?

See below

Cannabis
You cannot remove it from your hair. Some people shave their heads
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How long does marijuana stay in your system once smoked? How do you determine how long weed will stay in your system when doing a drug test or a hair folicle test I am 5'4, weighing 335 lbs hoping that helps..

Depends

Urine_drug_screen
on how much and how often you smoke or ingest it. If its a one-time use in modest amounts, it will only remain 2-4 days if the test used has the usual sensitivities. However, in people who smoke regularly, and in particular more heavily, THC is soluble in body fat stores and can remain there for many weeks, and sometimes even months. Hair follicle tests will show ANY pot use in that hair.
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Dr. Alan H. Ali answered:

How long does marijuana stay in hair follicles?

Pot

Ganja
Up to 90 days.
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How long does marijuana stay in the hair follicles?

Depends.

Cannabis
If you are a regular user, it can be detected up to 3 months.
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Dr. Austina Cho answered:

How long does marijuana stay in chest hair?

90 days or longer

Marijuana
Marijuana can test positive in hair follicles for 90 days, sometimes up to six months or longer.
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How long does marijuana stay in armpit hair?

At least 90 days

Hair_follicle
Marijuana remains in the hair follicles all over your body for 90 days at least.
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Dr. Aron Tendler answered:

How long does marijuana stay in a hair folicle test?

Forever

Marijuana
Sort of... The drug goes into the hair and stays in the hair that grew during that duration. So if the MJ was used in in June and the hair grew 1/2 inch in June, it would be in that 1/2 inch, and not in the 1/2 inch that grew in July. So when you test the hair you know that hair close to the follicle represents recent use.
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