The most frequently abused drugs by a person can be detected in saliva sample which includes marijuana, THC, heroin, cocaine and amphetamines and alcohols too. Saliva drug testing possesses both pros and cons. Saliva drug test depends on the drug detection times. The detection time for alcohol is from the time of ingestion to 12 hours. For Amphetamines the time taken to detect is less than hour following ingestion up to 3 days. (more…)