
National Drug Screening: Everything You Need To Know About a Hair Follicle Drug Test
A hair follicle drug test is one of the newer types of drug testing available and is quickly becoming the preferred drug testing for employers, as well as court-ordered probation testing. Hair testing allows for detection of drugs of abuse; substances like marijuana, cocaine, opiates, barbiturates and many other types of drugs. Hair drug testing with a positive result can determine if a person has ingested drugs in the past 90 days. This detection window can show a pattern of drug use. […]