Hair drug testing is one of the effective methods in drug testing. Hair is the long time proof for drug addiction because certain drug metabolites get build up in the hair shafts. Drug metabolites are considered as one of the nutrient for hair growth and remains even after 90 days from drug addiction. Elimination of drug from hair is a tough task as it is bonded to the hair shaft. Even if you shave the hair trace amount of drug metabolites will reside in the shafts. (more…)

Barbiturates were the first group of drugs in the anti anxiety and hypnotic group. It has a wide range of drugs having different time periods of action. All of them act on the GABA receptor on the brain that is associated with wakefulness. It mainly produces dose dependent action starting from drowsiness, sedation, hypnosis, sleep, stupor, coma and death. On chronic dosage it produces alteration of the sleep architecture apart form the hang over symptoms. Progressively it produces deterioration in mental functions, affect cognition, increase daytime sleepiness and lack of concentration. Further over dosing will lead to depression of the central nervous system leading to death. (more…)