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Tuesday, September 7, 2010

Know About Blood Drug Test For Marijuana

Usage of the marijuana is increasing day by day. In order to detect the usage of marijuana many different types of tests came into existence. The most famous drug test is the blood drug test which is used for detecting the presence of marijuana.


One can detect the presence of marijuana depending upon the frequency of usage. Although the blood test gives the accurate results, this is mostly not preferable because of its high cost.

Here for conducting the blood drug test for marijuana, sample of blood is collected from the vein or the artery. Apart from the marijuana usage, different information regarding diets, age etc., can be determined using blood drug test. It gives the accurate information regarding the amount of usage if it is done gently after consumption.

Sometimes, it is done at workplaces for detecting the recent usage in accidents cases. The presence of THC component, the psychoactive component of the marijuana can be detected using this blood drug test. Along with the THC component, non psychoactive components are also detected using Blood Drug test.


As soon as the marijuana is smoked by the user, the THC component first passes into the lungs and then into the blood stream and then finally passes to the brain. As soon as it enters the brain, it reacts with the cannaboid receptors in the brain. Unlike, other drugs because of the presence of the fat soluble THC, one can detect the presence for a longer time. One can detect the presence of marijuana for three days in an occasional user and for the heavy user its presence can be detected approximately for two weeks.

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