Saliva Drug SwabA lot has changed over the last few years. Although few people are still supporting the notion that Marijuana is extremely dangerous to a person’s health, there are still a number of concerns raised by some about other potential dangers associated with the use of Marijuana, the most credible being allegations that THC impairs a person’s ability to drive. This has led to attempts by lawmakers and authorities to find ways to detect Marijuana impairment now more than ever. Unlike Alcohol and other drugs, blood and urine tests can detect Marijuana in a person’s blood stream several weeks after the drug has been consumed, making it especially difficult for a method of detection that proves a person consumed forms of THC within hours of driving