Section 1
Types of Drugs and Patterns of Use
1
What Is a Drug/Medicine?
A drug is any psychoactive substance that can alter the way the mind or body works, regardless of legal status or medical approval. It can be synthetic or produced from natural sources and can be used for a variety of reasons including medicinal, recreational and spiritual.
The perceived benefits of natural botanical substances have led almost all societies throughout history to extract the desired active ingredients from plants, minerals and fungi for their perceived curative, preventative, therapeutic or spiritual properties. Along with these drugs extracted from the natural world, drugs can also be synthesised in laboratories and produced within the human body. The effects of psychoactive substances vary greatly and can alter the way a person thinks, feels or behaves, along with changes in a personās perception of themselves and the world around them.
There are two main ways to define drugs. First, a distinction may be drawn between medicines, which are medically sanctioned psychoactive substances used for clinical purposes, and drugs, which are controlled substances whose use is not sanctioned either by law or by medical practitioners. Second, drugs can be classified according to their pharmacological make up and attributed psychoactive effects. However, the definition of what is a drug, and the distinctions between drugs, substances and medicines are disputed.
MEDICO-LEGAL DEFINITIONS OF DRUGS
First, in terms of the medico-legal definition, drugs can refer to psychoactive substances with a range of different legal statuses, including legal, illegal and quasi-legal drugs:
- Legal drugs are those that can be legally sold, possessed and used, albeit often with certain restrictions. They include tobacco, alcohol, caffeine, volatile substances, and over-the-counter and prescription medicines.
- Illegal or controlled drugs are those whose sale, possession or use constitutes an offence under the Misuse of Drugs Act 1971 in the UK, the Comprehensive Drug Abuse Prevention and Control Act 1970 in the USA and equivalent legislation in other countries. In the UK, illegal use of controlled drugs is defined as the ānon-medical usage of the drugs controlled under the Misuse of Drugs Actā. Furthermore, legal sanction of specific drugs can also relate to their physical state, so that in the UK prior to 2005 possession of psychedelic or āmagicā mushrooms containing psilocin in their fresh state was legal, but if prepared for consumption in any way (such as dried or boiled), possession was illegal and the drug was classified in the most harmful category (Class A) under the Misuse of Drugs Act 1971, prior to the Drugs Act 2005 which extended control to psilocin in all forms.
- Illicit or quasi-legal drugs is a less clearly defined term, which includes the āgrey areaā between legal and illegal drugs such as those drugs that are not legally controlled but may face certain formal or informal restrictions on their preparation, sale or use. Three British examples are given here. First, in terms of preparation, in the UK before the Drugs Act 2005 brought all forms of psilocin under control, it was the preparation of psilocin or āmagic mushroomsā for consumption that made it illegal but it was not controlled in its freshly picked form. Second, the sale of solvents is restricted to over 16s and tobacco to over 18s in the UK. Third, its is illegal to possess GBL (gamma-butyrolactone) if intended for human consumption but not for use as an industrial cleaner. Certain drugs may be available on prescription but can also be purchased illicitly and without a prescription (for example, on the Internet), but are not socially sanctioned if used other than for their intended purpose, such as the āmisuseā of prescription medicines for ārecreationalā purposes for example, the erectile dysfunction medication Viagra (sildenafil) (see 8 typologies of drug use). Most recently, some novel psychoactive substances (see novel 18 psychoactive substances) could be considered illicit in that they are not formally controlled by legislation, at least when they first appear, but their use is not legally or socially sanctioned and therefore it would be unacceptable to ingest ālegal highsā in many social situations.
Some countries have formalised this quasi-legal status. In New Zealand, for example, an amendment in 2005 to the Misuse of Drugs Act 1975 added Class D to the three pre-existing classifications (A-C), creating a category of drugs for which there were regulations surrounding minimum purchase age, manufacture, sale, supply and advertising. Benzylpiperazine (BZP or āparty pillsā) was the first drug to be (briefly) placed in this new category although subsequently banned.
In the UK, the Medicines Act 1968 covers the medical use of drugs, (prescription, pharmacy and general sales), whereas the Misuse of Drugs Act 1971 covers the non-medical use of drugs, criminalising the possession and trafficking (supply, intent to supply, import/export, production) of controlled drugs. These drugs are classified into classes A-C in accordance with perceived levels of harm, and schedules 1ā5 in accordance with ease of access. Other jurisdictions have similar classification systems. Recently these classifications have been subject to dispute (Nutt et al., 2010), raising concerns about the relative arbitrariness of such supposedly āobjectiveā measures of harm which form the basis for legal classification of ādrugsā.
PHYSICAL/PSYCHOACTIVE DEFINITIONS OF DRUGS
Second, in terms of defining drugs by their attributed physical or psychoactive effects, there are four broad pharmacological categories of drugs:
- Stimulants (āuppersā) are drugs that speed up the central nervous system, make the user feel more alert and energetic, causing people to stay awake for long periods of time, decrease appetite and make the user feel euphoric. For example, cocaine, amphetamines, nicotine, caffeine.
- Depressants (ādownersā) are drugs that slow down the functions of the central nervous system and make the user less aware of the events around them. For example, alcohol, opiates (painkillers, for example, opium, morphine, heroin, codeine, methadone, Demerol, Percodan), sedatives/hypnotics (for example, barbiturates, such as Seconal, sleeping medications, tranquilisers such as Valium, Librium and diazepam).
- Hallucinogens (psychedelics) are drugs that distort the senses and oneās awareness or perception of people and events, possibly resulting in hallucinations (seeing or hearing things that do not exist). For example, LSD, PCP (angel dust), mescaline (buttons), psilocin (contained in āmagicā mushrooms).
- Deliriants is a fourth category, sometimes submerged into depressants, which includes drugs that result in a dissociative effect between the mind and body, or āout-of-bodyā experience. This has led some drugs in this category to be used as anaesthetics with humans and animals, for example, with children and on the battlefield, when traditional general anaesthetics may be considered to be either impractical or too risky for the patient. For example, solvents, ketamine.
It should be noted, however, that the above categories based on psychoactive effect can be modified by overlapping effects as some drugs fall into more than one category depending on the dosage, the individual user and other variables. So for example, cannabis, ketamine and alcohol are all perceived to have some stimulant properties at lower doses, but become predominantly sedative at higher doses. Furthermore, although the specific drug and strength of dosage is important, the existence and amount of other additives or adulterants, simultaneous use (see 6 polydrug use), the physical and psychological characteristics of the individual user and the wider environment can also influence the psychoactive effects that a drug can have upon the user.
Other typologies of drugs include a distinction favoured in mainland European and Nordic countries between āhardā drugs and āsoftā drugs (see 8 typologies of drug use). āHardā drugs usually include those drugs which are seen as more likely to result in āaddictionā (see 4 addiction), daily or problem use of drugs such as heroin and crack cocaine. A āsoftā drug primarily relates to cannabis but may also include other drugs such as those which are used occasionally and/or ārecreationallyā and may also include hallucinogens and MDMA. In the Netherlands the distinction between āhardā and āsoftā drugs is integral to their drug policy, with an official tolerance of the sale and use of small amounts of cannabis by Dutch residents in designated ācannabis cafesā or coffee shops in order that cannabis users may access their drugs without making contact with networks of āhardā drug suppliers (see 19 the gateway hypothesis).
Drugs are not necessarily external substances. Within the body too, naturally occurring substances alter the way the mind and body works. Dopamine, serotonin and creatine, for example, are all naturally occurring substances that alter mood and performance, regulated by the body as well as potentially stimulated by psychoactive drugs. Given sugar and chocolateās effects on the body, they too have been described as drugs, although this expansion of the term to include such substances has been contested leading to a questioning of the term itself.
CRITIQUES OF THE TERM āDRUGā
The debate between ādrugā and āmedicineā
The term ādrugā is both socially contested and culturally context-specific. Some countries (for example, the UK) distinguish between substances that are medically and legally sanctioned known as āmedicinesā, and substances that are disapproved of in some way and known as ādrugsā. By contrast countries such as the USA term all psychoactive substances regardless of legal status or medical sanction as ādrugsā, as epitomised in the term ādrug storeā rather than pharmacy. Other countries do not have a word for ādrugsā and do not make a distinction between socially sanctioned āmedicinesā and socially disapproved or illicit ādrugsā.
For many researchers and commentators, particularly in Western societies, the distinction between a drug and a medicine is the difference in its formal or informal acceptability. As Mary Douglas (1978) expressed it, āa drug is a chemical which is in the wrong place at the wrong timeā. It has been argued that the distinction between ādrugsā and āmedicinesā relates less to their relative physical or social harm and more to issues of regulation and social control (Ruggiero, 1999; Blackman, 2004). As Derrida famously noted, āthere are no drugs in ānatureā ā¦ the concept of drugs is not a scientific concept, but is rather instituted on the basis of moral or political evaluationsā (1993, in Fraser and Moore, 2011: 10). Thus the concept of drugs, like the concept of addiction, can be considered to be socially constructed and based on historical and cultural context, value judgements and norms.
A distinction is sometimes drawn between legitimate drug āuseā and drug āmisuseā where the drug taking is judged to be inappropriate, dangerous and addictive (see 8 typologies of drug use). Indeed Fraser and Moore have suggested that āthe category of drugs is an entirely political one ā¦ it contains all substances society disapproves of at a given time, and which society says normal people should avoid, and want to avoid ā¦ the terms āaddictionā and ādrugsā need therefore to be seen as social, cultural and political categoriesā (2011: 11). Additionally, MacGregor has noted that some cultures do not have a word to describe the concept of addiction.
The debate between ādrugā and āsubstanceā
There is also a debate between the terms ādrugā and āsubstanceā. The 1992 World Health Organisation expert committee included both legal and illegal psychoactive substances within its definition of the word drug ā including alcohol and tobacco. By contrast the 1997 World Drug Report made a distinction between substances (which includes alcohol and tobacco) and āthe unauthorised or non-medical use of drugs which, because of their potential for causing dependence, have been brought under international controlā (UNDCP, 1997: 10).
Given the contested nature of the term ādrugā, some researchers have argued for the use of a more neutral term such as āsubstance useā rather than ādrug useā. In making the case, Ettorre defines substance use as:
Any substance, chemical or otherwise, that alters mood, perception or consciousness and/or is seen to be misused to the apparent detriment of society and the individual. By replacing ādrug useā with āsubstance useā we are explicitly including new discourses on bodily management and regulation ā¦ from the viewpoint of women, āsubstance useā is a more illuminating notion. (1992: 7)
SUMMARY
A ādrugā is usually understood as a psychoactive substance which alters the way that the mind or body works, and can be extracted from nature, synthesised in laboratories or produced within the human body. However, what counts as a ādrugā varies between historical and cultural contexts and the term can be seen as politically and morally value-laden in terms of which substances are legally and medically sanctioned or socially disapproved of, rather than related to the intrinsic qualities of the substance itself and its effects on the user.
REFERENCES
Blackman, S. (2004) Chilling Out: The Cultural Politics of Substance Consumption, Youth and Drug Policy. Maidenhead: Open University Press.
Douglas, M. (1978) Purity and Danger: An Analysis of Concepts of Pollution and Taboo. London: Routledge and Kegan Paul.
Ettorre, E. (1992) Women and Substance Use. Basingstoke: Macmillan.
Fraser, S. and Moore, D. (2011) The Drug Effect: Health, Crime and Society. Melbourne: Cambridge University Press.
Nutt, D., King, L. and Phillips, L. (2010) āDrug harms in the UK: a multicriteria decision analysisā, The Lancet, 376 (9752): 1558ā65.
Ruggiero, V. (1999) āDrugs as a password and the law as a drug: discussing the legalisation of illicit substancesā, in N. South (ed.), Drugs: Cultures, Controls and Everyday Life. London: Sage.
United Nations Office on Drugs and Crime (1997) World Drug Report. Vienna: UNODC.
2
Prevalence and Trends in Illicit Drug Use
In behavioural or medical terms prevalence refers to the extent to which something, like a disease or in this case drug use, occurs within a given population. For the purpose of this chapter the populations under consideration will be both worldwide and national with a focus on illicit substances. Trends are patterns that take place over time. When we look at drug use prevalence and trends we can see how much drug use is taking place, what changes in drug use have occurred and are occurring, where these changes are occurring and in relation to which substances.
HISTORICAL CONTEXT
Drug use for recreational pleasure involving products from a multitude of naturally occurring substances (for example, plants, reptile venom/secretion, fungus, among others) has been a feature of nearly all societies for thousands of years. Depending on the particular moment in history and the particular group, we can see that drug use has been both extensive, and āeverydayā (like the current use of tea and coffee) in its usage, or that it has been highly ritualised, restricted and used for specific reasons such as religious ceremonies or something in between. Different drugs can be seen to have had different uses and meaning to different groups and for these to have shifted over time. In other words, a drug or substance does not carry with it a pre-determined or inherent way of being used, of being understood or a quality that means that society will react to it, or use it, in a particular way.
In terms of prevalence and trends we have no explicit data for the pre-modern and traditional worlds but we do know that specific forms of drug use used to correspond with the local availability of the substances. So Amazonian tribes would use hallucinogens available from vines and plant growth local to them and Asian communities found that local poppy and hemp plants provided opium and cannabis respectively. Patterns of use were influenced by culture and acceptability but sometimes also need. In England in the 17th century for example, beer (from local wheat or barley) was consumed as a main part of the diet for most ordinary people from breakfast through to evening (Schivelbusch, 1993).
In the end, exploration, trade, war and curiosity meant that many substances were increasingly exposed to other places throughout the world. Science has of course also added to the list through the production of numerou...