THC is an active chemical in the marijuana, which causes mind-altering effects. THC is considered as a dangerous ingredient. THC drug test is the test which detects the presence of the THC in the body.
Saliva THC drug testing is useful to know whether a person has taken marijuana or not by using saliva as the specimen. This saliva THC drug test can help the employers to screen their employees. Saliva THC drug testing helps parents to find out whether their children are using drugs. Generally this test is conducted after accident to determine that an individual or employee has taken marijuana during work hours. There is no need to hurt to take the blood to conduct the blood drug test. Here it is easy to take specimen. This is little expensive than the urine drug test. However, it is easier to approach a person for saliva specimen compared to approaching him for specimen for urine drug test.
Thus, saliva THC drug test is most useful, lesser invasive and more easier to conduct it at any time and any where.