SAMHSA is the organization that takes care of mental health and drug abuse in the United States. It has a lot of strategies for detecting, treating, counseling, rehabilitating and preventing drug abuse. One of its important strategies is the drug testing. It is essentially a screening test that serves to detect the presence of any drug in your body. It uses any of the following samples to detect the drug: urine, blood, saliva, oral fluids and sweat. (more…)