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Doctor insights on: Smoking Marijuana Hba1c Test

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Does smoking marijuana show up on an hba1c test?

Does smoking marijuana show up on an hba1c test?

No, tests glucose: The hemoglobin A1c test is specifically looking for the percentage of hemoglobin with glucose attached to it. If you are smoking marijuana it will have no effect on the hga1c and only a test to specifically detect cannabis will show that chemical. ...Read more

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Smoking (Definition)

More than 46 million, nearly 21% of adults in the United States, smoke, according to a 2010 report by the U.S. Centers for Disease Control and Prevention (CDC). Smoking rates remained constant from 2005 - 2009. Smoking kills more than 5 million people a year worldwide, accounting for 1 out of ...Read more


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Just curious. If people are smoking marijuana around you at a concert, can you fail a drug test? Or worse, can you get the effects of it?

Just curious. If  people are smoking marijuana around you at a concert, can you fail a drug test? Or worse, can you get the effects of it?

Unlikely: Screening drug tests, such as those used for pre-employment physicals, typically have a threshold that is set at a high enough value to eliminate the risk of "passive" exposure causing a positive result. ...Read more

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Will this effect whether or not i pass or fail a drug test? I was at a buddy's between 7-8 months ago, hanging out and having a few drinks. Some of his friends came over and started smoking marijuana. Someone wanted me to pass it to someone on the other s

Will this effect whether or not i pass or fail a drug test? I was at a buddy's between 7-8 months ago, hanging out and having a few drinks. Some of his friends came over and started smoking marijuana. Someone wanted me to pass it to someone on the other s

You didn't finish: But sounds like the answer is no. Second-hand marijuana smoke will virtually never cause a positive urine test (unless it is in a closed car with 5 people smoking and you inhaling deeply). In addition, unless they are doing hair follicle testing, nothing from that many months ago would be detectable in a urine or saliva test, and might not even be in most hair samples, depending on length. ...Read more

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I have been marijuana free for 7 months. Before this i was a chronic smoker, smoking all day everyday for a year. Job drug test tomorrow . Am i ok?

I have been marijuana free for 7 months.  Before this i was a chronic smoker, smoking all day everyday for a year. Job drug test tomorrow . Am i ok?

Fine: You'll pass. All the thc is gone within a few weeks. Interestingly, there are trace amounts of it in your hair and nails for months. But they won't check that. If your job requires a random drug test, don't risk it by smoking! ...Read more

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I was around some friends that were smoking marijuana las week, and i had a piss test today for the military? Will it show up? I am very active and drink plenty of water.

Activity and water: Don't really make any difference. Second-hand marijuana smoke does not give people who were exposed to tiny amounts a positive test. If you shared a fiat or a phone booth with 4 people all smoking pot for several hours with windows closed you might begin to approach having a positive test. Old sayings - if you don't want to eat, stay out of donut shops, if you don't want to drink stay out of bar. ...Read more

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I have to have a test done for nicotine to get my insurance at the lowest rate. How long before the test do I need to quit smoking so it doesn't show up in the test? Can this nicotine test detect marijuana use?

Nicotine Dependence: I thank you for your concern for your loved ones. Your health is PRECIOUS! Respect Blessings of your body and mind. Be kind to your lungs. Speak out: “I do not want Bronchitis, Emphysema or Lung cancer” “I do not want risk of heart disease, high Blood pressure or Stroke” “I want to feel good without Marijuana or Alcohol” Use Relaxation music, Exercise. See a Psychiatrist for Therapy for stress. ...Read more

Marijuana (Definition)

Marijuana refers to the various preparations of the Cannabis plant into the psychoactive drug for recreational use ...Read more


Dr. Ira Katz
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Hemoglobin A1c (Definition)

It helps determine the average blood sugar over a long period of time, about 2 or ...Read more