While many might argue about the different factors and which has more impact on whether or not a person decides to jump ship, attempting to identify the main overall culprit is probably the least productive approach to increasing retention. Why?

From the past thousands of years, human beings are using Hallucinogens. These drugs belong to general group of pharmacological drugs and divided into three categories psychedelics, dissociatives and deliviants. According to the National Survey on Drug Use and Health 2007, approximately 34.2 million Americans aged 12 or older tried these drugs at least once in their lifetime.

Drugs are the chemicals, which have susceptible impact on neuro-chemical balance of human brain that effects feelings and actions of an individual. Abusing drugs often or regularly leads to addiction. Although there is no particular age limit for drug addiction, earlier abuse causes more serious drug addiction.

Heroin is a semi-synthetic opioid manufactured from morphine. This drug is originally extracted from the seed of opium poppy plant, and uses as both painkiller and recreational drug. It is illegal to manufacture and to sell in the U.S., but in some countries, it is legally prescribed drug. According to National Survey on Drug Use and Health 2007, 3.8 million Americans of age 12 or older have abused heroin at least once in their life. Heroin affects cells functioning in central nervous system.