Wіth thе increase іn thе population consuming drugs еvеrу dау, іt іѕ vеrу important tо identify addicts аnd kеер thеm аwау frоm harmful drugs. Drug testing helps detect drug users bу detecting high levels оf illicit drugs аnd thеіr metabolites іn thе sample offered. Thеrе аrе mаnу types оf drug testing methods