Saliva drug test detection is considered as the alternative test for urine drug test. The frequent uses of saliva sample have substituted the urine and blood drug testing. Saliva drug testing possesses both pros and cons. The advantage of saliva drug testing is less expensive, less persistent and less risk of infection. Sample collection procedure is very easy and simple compared to the urine sample collection. Disadvantage of saliva drug testing is the viability of sample lasts for only 72 hours. Saliva drug testing requires more advanced technique for effective testing. (more…)