Drug addiction is the chronic brain disease rather than a moral issue. Drug addiction is similar to that of other chronic disease such as diabetes, asthma, kidney failure and hypertension. Drug addiction alters the activity of the brain and brings about the changes that last forever. Hence drug addiction is called as chronic brain disease. Brain consists of network of nerves where it provides signals for each and every action produced by the body. The main parts of brain affected by the drug addiction are the cortex, limbic region and hippocampus. The resulting distorted brain insists to do illegal things and get addicted to the drug. (more…)

PCP or phencyclidine which was earlier used as an anesthetic agent has now been replaced by newer drugs. But it still rules the cartel mechanism as it has potent stimulatory and hallucinogenic properties. It is used for the purpose of recreation especially in parties, etc. One of the characteristic effects which it produces is disassociation. By this effect, the person seems to lose contact with his body and the whole surroundings by blocking the action of glutamate on its receptor. (more…)