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2. Concepts and definitions
Concepts and definitions are particularly important to the subject of drug use and drug problems.(2) This subject often evokes emotional responses because of our own ambivalence towards drug use. The literature on this subject also leads to much confusion.
Many myths have been created and perpetuated about drug use and drug problems over the last 30 years. A consensus is now being reached concerning the most valuable concepts, and the way that different words should be used.
If drug users are to be helped to avoid problems and to minimise their disabilities, it
is important that simple terms should be understood and used uniformly.
This term refers to any chemical that changes the mental state and that may be used repeatedly for that effect by a person. Some are likely to adversely affect the health of the individual and the social surroundings.
Experimental use: trying out the drug to experience its effect and to decide whether or not to adopt an ongoing pattern of use.
Social and recreational use: using the drug as a means of enhancing social interaction or the enjoyment of some leisure activity.
Symptomatic use: using the drug as a means of reducing unpleasant sensations or experiences or to avoid challenging situations or responsibilities.
Dependent use: using the drug with a sense of compulsion, so that other responsibilities are neglected and harm may result.
Such dependent use becomes habitual, stereotyped in pattern, and responsive to external cues and pressures. This pattern is quickly reinstituted after a period of abstinence. Abstinence may be associated with the onset of withdrawal symptoms and the discomfort of withdrawal will become a motivator for renewed drug use.
Physical dependence exists in a tissue or intact organism when the presence of the drug is necessary for normal functioning. It refers to the tolerance which develops to the effects of drug use and to the withdrawal effects experienced when drug use is stopped.
Addiction, a term which has been in use for thousands of years, means to give oneself to either a person or a behaviour pattern. Addiction is a universal term and applies to those who give themselves to a wide variety of behaviours often to the extent that their lives become unmanageable. Addiction to alcohol and drugs is only an example of this pattern of behaviour. However, once an addiction is established that behaviour tends to be relied upon increasingly.
While not all of these characteristics are present in every instance of addictive behaviour, a sense of compulsion tends to be an essential element. Together these four features provide a good picture of addictive behaviour with its sense of compulsion, the difficulty of maintaining control over the behaviour, the distress associated with withdrawal, and the persistence that such behaviours show once they have become established (Gossop, 1989).
People with an
addiction need to face the reality of the situation and to have some positive experiences
in order to regain self-esteem and hope. They must attempt to acquire a new set of values
or personal orientation in order to achieve successful control and cure.
Drug-related disabilities may occur
in all types of drug users but are more likely to occur as the frequency and quantity of
drug use increases. Accordingly it is possible to categorise drug users in terms of the
risk of their experiencing harm. In practice this has been done only with alcohol, eg 'Low risk drinking'.
This term is now not recommended for use because
it can have many meanings and is used as a pejorative term implying a deliberate misuse of
drugs regardless of consequences. Alternative phrases may be used which are less explicit
and pejorative in nature.
This term describes the new approach being taken to all drug-related problems. The aim of any intervention is not so much stopping drug use but focusing on the reduction of specific drug-related harm.
Detoxification can be defined as the means by
which the drug-dependent person may withdraw from the effects of that drug in a supervised
way in order that withdrawal symptoms and the risks relating to withdrawal are minimised.
Safe drinking or responsible drinking
No specific level or pattern of drinking alcohol should be considered safe.
It has been agreed on the basis of available evidence that a range of drinking which
most people would consider low risk and drinking which is considered hazardous, dangerous
or dysfunctional, can be defined.
Female Male Never more than Never more than two standard drinks four standard drinks in a day) in a day (except for pregnancy) (1 standard drink = 10 grams of alcohol)
Binge drinking is particularly evident
among young people, usually in the form of a number of bouts of drinking in the course of
a week. This form of drinking may affect an individual's cognition, distractability,
information-processing ability, and increase the risk of alcohol-related accidents (Pols
and Hawks, 1992).
These terms should be used with great caution in order to avoid misunderstanding.
Alcoholism can be used to cover the whole range of alcohol-related disabilities. However, alcoholism has acquired a host of meanings by association with the disease concept of alcoholism. This implies that it is a progressive and irreversible condition that can be arrested but never cured, and involving a special sensitivity in the sufferer who experiences craving for alcohol and loss of control of its use.
This disease concept of alcoholism can be useful but it also has many disadvantages. It certainly can lead to unreasonable expectations and to the adoption of a passive role by the drinker. It can promote a false sense of confidence in drinkers who believe that alcoholics are a race apart. The idea of alcoholism as a disease can distract drinkers and helpers from the fact that the central issue relates to the priorities and motivation of the drinker and the drinker's capacity to control his habits or behaviour.
Alcoholic can be used as an adjective, ie alcoholic liver disease, which indicates the problem is related to the use of alcohol. It may also be used as a noun ('he is an alcoholic'). However, such usage is poor communication, with many emotional overtones. It implies a simplicity of understanding which does not reflect the complexity of human behaviour. Because of this, it is advised that the term not be used as a noun.
Problem drinker and drinking problem are loose terms that are better replaced by other
more specific terms, namely hazardous, harmful and dysfunctional drinking.
It is essential in taking a history of alcohol consumption to determine the amount of absolute alcohol (100% ethanol) consumed by the patient. To simplify this process it is customary to estimate the number of standard drinks consumed per day and during a typical week.
A standard drink is defined as the amount of any particular alcoholic beverage that contains approximately 10 grams (12.5 mL of ethanol) which is generally equivalent to the usual drink served at a hotel or restaurant (see figure showing range of standard drinks).
We need also to list the patient's intake as a number of standard drinks per day or per
week. Then by multiplying this number by ten we can calculate the number of grams of
alcohol consumed. This will allow us to determine whether the drinking is responsible,
hazardous or harmful. Recent research indicates that people have difficulty estimating
consumption of standard drinks using the information that is currently available on
alcoholic beverage containers.
Dose: alcohol consumption should be
expressed in grams so many grams per drink consumed, so many grams on a single
drinking occasion, so many grams on an average daily basis over an extended period of
One can only generalise in predicting the
likely BAC. In a male weighing 70 kilograms, 10 grams of alcohol usually raises the BAC by
0.02 grams per 100 mL of blood. The rate of elimination is about 8 grams per hour,
resulting in a fall in the BAC of about 0.015 grams per 100 mL per hour.
Certain cognitive and other cerebral functions are impaired: judgment, processing information, consciousness, vision. Significant deterioration occurs at 0.05-0.08. A rapid decline in skills then occurs with small increments in the BAC.
Guidelines for the safe consumption of alcohol must be devised acknowledging that alcohol does much to enrich our social life. At the same time the serious consequences of alcohol consumption for individuals and societies cannot be overlooked.
Guidelines must be devised which recognise the complexity of the effects of alcohol on different organs of the body, the range of patterns of alcohol consumption, and the influence of other compounding factors such as gender and nutrition.
The guidelines may need to be modified
according to the circumstances of the individual case including general health, presence
or absence of personal or family history of drug or alcohol dependence, occupation and
especially the context in which alcohol is to be consumed.
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DRCNet Library | Schaffer Library | Alcohol
Schaffer Library of Drug Policy
Major Studies of Drug and Drug Policy
Marihuana, A Signal of Misunderstanding - The Report of the US National Commission on Marihuana and Drug Abuse
Licit and Illicit Drugs
Short History of the Marijuana Laws
The Drug Hang-Up
Congressional Transcripts of the Hearings for the Marihuana Tax Act of 1937
Frequently Asked Questions About Drugs
Basic Facts About the Drug War
Charts and Graphs about Drugs
Information on Alcohol
Guide to Heroin - Frequently Asked Questions About Heroin
LSD, Mescaline, and Psychedelics
Drugs and Driving
Children and Drugs
Drug Abuse Treatment Resource List
American Society for Action on Pain
Let Us Pay Taxes
Marijuana Business News
Reefer Madness Collection
Medical Marijuana Throughout History
Drug Legalization Debate
Legal History of American Marijuana Prohibition
Marijuana, the First 12,000 Years
DEA Ruling on Medical Marijuana
Legal References on Drugs
GAO Documents on Drugs
Response to the Drug Enforcement Agency
|Drug Information Articles|
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