. ..... ..... ................... Definitions of'Tobacco Dependence' or'Nicotine addiction' The American Psychiatric Association The APA '. in cric -Union or its -Diatmoscic and Statistical Manual or Mental Dis,:;rders' :ere-rea to as DS.1,1 111, produced a set of criteria specifically defined to de=@: rnba,:a Th.- rc%ised version of this manual. DSM III-R. published in 11;3-. substitutes ::-.c :c= .-i;cot:ne dependence'. This definition stresses the importance of N%L,,:,,Jrawai is a ch3ra.-.-zr!sn,: of dependence. although notes: 'In any given case it is to ai.tinituisn a virhdrawal elect from the emergence of psvchoicizica; trairs char %%-e:% suppres,ed. conro,:zz. or alzered b% the effects oi nicotine or from a behaviour3i rtac::un ic; rruscrart--n -o the loss of a re:nforc:r-. It is generally agreed that this Ls nor a pamcuiariv help!ui de;in;::un: it begins bv assuming a prion that nicotine is addictive Ithc dc::n.:.un pro,!dc, zr:%ria co decide either way; and SIMPiV prOVLd.-s a so: of critena. for -e,:,qnibing i icr o; mrr-,-is whici m3v or may nor represent withdrawal. The US Surgeon-General The US Suritcon-Gencral. in 1931', pub!i,hed a reporr enriried 'Nicotine Addicrion'. The Su.::on-General a.so 7v,-::d ch.;. nicotine or tobacco smokine did not it readiiv into stan 'ard definitions -w a,:cizrion. His response was differenc irom that of the AFA. who proceed a riarroner or tobacco devenclencer alone. Instead. the Surgeon-Gener2l brozzened Timor,. a: addtc:;on so wideiv char it could now include smoking or use or nicT:= @ as is anv other be.,ijviciur that people tridulee -.n.. The Surecon-Gene:al'i zrirerij tor addiction fall into two categories: primarv and a-'ainon2i znctna: Pnmarv criteria HLg@,Iv :on-,ro:led or compulsive use Drjg-re-.n.,or,;c.' behav:our Additional c6teria Nddicrive behaviour often involves: . sterron-pic ;arrerns of use - Use despite harmful effects - relapse followinz abstinence * recurrent drug :-3vtngs Dependcricc-producing drugs often produce ph% near dependence -:-tcaianr cut'horanci liters ZZ) BATCo document for Province of BritiSh Columbia 19 April 1999 .... ........ . .... .. The Suraeon-Genera;'i criteria ror ;i!aicnon .3r: open to exacriv the same cnricisms as previous Jennmori@ of jdL!sc-!nrL. and :n:re :s no -,--srificanon for considering it as definitive. More irnporrandv. this definition or addw-mn diiiers in various important ways from pre% lous Jcilriirwn@: ii, the Surgeon-Generzi relegated zz.-rain k.--. cntena of previous definitions oi addiczon lcolerari,r. ph,sic@l dependence and eu@noria. or 'p-,vchologlcal depcndenc:') -co the bottom of his as-.. as occasionai. bu- unne-zesiary correlates ot addictions ui, these previousiv !mporrant zritcra now second place to some new, and rather vaeue. cracni ties' in-: Mosr or '-c Surgeon Genirrj:'i cn:tria. ind the reasons why the%- do nor casily appiv to tobacco @rnckzng. have 1@-ctn ;L"U@Ied in -.he previous @ezzion. However. the new are discusid_@ '_-C:Ovv. Psychoactive effects This criterion is a riew one for denn.-.:ons or ada:=,on. or in the field of substance use in -central. It is also a Trivial one. aric -o zonsider it as a primary criterion is highly Zuesnonabie. means -,::at the ounce in question :an alter mood bv its e!fecu on the brain. Manv subszances t-!cc-s on mood. Du: this does not -nake there. Addicr.ve. Ditieren- iabstar-:es zaii na%c --er% :-.z;erent psv@:'-oiogical eifcc-.;. Minor .r,inqULlh5CfS such as vaoum or ba..inn::.%res -Itppress mood b%- sedaring the person who ;2ses rhem. Substances as arnpt-am-.n.- lea.: :o sz:rnularory eii--c-s on mood jnA Seneral ACIVICV. Heroin an" cocaine. %kn..sz injucine euchoriant CffCCTS. LMpair performance and luJeerrienr. Nicotine. m contain. s nor -Hill% reported co induce -euphoria. improves performance and con.;enrranon. and :,.as 1,een reTorted to induce either surriulatorv or depressant erfec-.s on mood dece-ding on the person's circumstances. Anti-depressani: drugs alter mood' to imorove a state of .`cpmssion. and -cec there has never been a suggestion that thev are addicvve. Santlariv. rijior -..jnq'L1'.!lLSerS are used to improve mood and other pivchological processes in illnesses such as ichtzophrenia. but are not believed to be addictive. It is cieariv invalid co use. as a motor component of a Definition of addiction. a concept that applies zo zhe many different efiects of many different kinds of drug. some of which are clear:v nor addictive. Drug-reinforced behaviour This criterion is included on the basis of studies carried out in laboratory animals. Studies show chat animils such as laboratory cars "n be t-a-med to product a certain behaviour ieg pressing a lever in a c@oxi by givirg them a reward. The reward Ls said to 'reinforce' the behaviour, and thus another word 'Or 'reward' in this situation is 'reinforcer'. Some e% idence suggesis that niconric zan azz. as a reward in such situations. Some scientists have argued by anuicigy tnat nicotine Ls -:-.-rc!ore like heroin and cocaine, which can also .reinforce' behaviour .% this v%av. and z4ar thtreirore ' LS. like heroin mind cocaine. 3ddiCrLVC. Ho %% c% e r. man% different rhiaLs can ac: as revvards wr Worarorv ats, who cannot bv anv ,-,7ct,:h of the irriavunanon @e cons-.Z.-red zo lea@l exciring lives. Novel food or drink. 00 BATCo document for Province of British Columbia 19 April 1999 ,@ho,ularc. access to a female for :ne dc-pri-ci male cat... all of these things will induce a rat co :@%ss a lever in a box. 'AJd;.;::ar%' is )ra: ; necessa-v corollary. Also. cark studies in ::ns rield i=,gest that cars %%-ill oniY press a lever zzo obtain ritonint undcr cer-ain undinoni: !r rhev @:zn predi,;r wrien -he nicotine is euina, -u arrve, ana J The% do not have to %vork :crv hard 4or Le. In contrast. rars will press a h.undreds C- @- ea (@L)Usanjs -)@ --mes, Ur-.f- %-rru_,P-- _nv circums-zanc:s. to obtain a dose of @-erciiri. [C iN ci,.creforc qUJe Lnvalid co sta::. an he _-asii ut such requite. Chat ni,ormc s lik: '-Ir-oin. It r. '.1,T far more like tood. Cie. or sex. Stereotypic patterns of use 7-i, mejns that a benaviour mar dtveiop :n-,o regular temporal and physt"i patterns of use. The Implication ii ionic use bezomes less f"exible. less an ac-nvitv with sociai meeting. and ,om:tninct done tar --s )%,vr. fast. This may appiv :a heroin. but it date noc apply to :.4arerre @mok.nq. which many pe-.jptc Ls in azciviv. in rebponic :a ctr:ain local -._lcions. or to Z..e end of a :net,. .-)r :@-t arrival of j cut, of coffee. Heroin ait mav be r--:nartl% under me zontroi wuhdrvva@ svmprorns. @ur cigarette smokmz is more rrez-entiv @.in-@er @onrrol of Tarriculzr situation in %vhz'-, a smoker ;;nds hUmsaii. In addinun. -manv o:nt: =-vities develop :r,-o relief pa-:t:-nS_ 'Eacing LS a:-.,- of Them. Is e:nnst also adz-.@-.,ve btca-use, like heroin uie. it is usua,11v zarne@ our in --@-jnse to ph%-s-.,:ai sympromi L.- @Lunzzr '- Again. this znrcricia is so as to be The Royal Society of Canada In 1 -1@9 me Health Prorec-non B-an,:h of H-aich and Weltare Canada r-quested !he Rovai Soc:t:v to prepare a reziort 'Tobacco. Nicotine and Addicuon". T@c :,.es::on put to C.-.,: koval Socierv wa!;. -whjCL s -,he mcii: appropriate Term 'addicrion'. 'deTencencc', or 'h.l:!!: formation" :a :@wrzctcnte -Ic risk of dependence an mcocine and. by exiension. the us@: or cobazzo pro w;-,L a priori asiurrip-non that miconne -icei have The capat,tiny or induc,nz dependent. :his revart comes to the following conclusion: -The term deT-ndence. as recommended @-- -.h.- Wor!d Health Org;inisaron, is potenti.211v ambiguous unltii further spec:ficd bv the ;se of modirving terms that life its general applicability To druzs of different pharmacti'aitical classes. The terms 'nabir. habit formation, and habituation are even more arnzistuous. vacuelv defined and scientific3liv ill-founded in rv:.1--;3n to drug use. and shou.1-1 ::a Longer @- used in This cor:e.Nz-- IC LS Then :amended that The -.arm -addiction' LS more appropriate; however, along with every other group that have cnn@-Jered This issue. the Rovai sociev finds it necessary to produce yer arocher definition of tradition: 'Drug' addiction ii, a @rronglv established pattern of behaviour :haricterised by ;1@ -h.- repeated SC!;-.1dMLnLscra-1;on of a d,--.:,z in amounts wh::h reliablv pro-1t;,ze rcmicircing PivZ'WaCMe CffCC-3 and (2) g:tzt alfficul-v in achieving voluntarv lonz-te= zes;ancin of suc,@ ase, even when The user is 4--onelv motivated to stop-. Whac The Rova, do not cakz mro account is zhe iact ch.:: the term 'addiction' L-. cq-.;.illv ambiguous. @ezause of its e-.-er---J,av usage and r is completiv arbirray co decide co da:,.ne this term -iiare ngorously an- -Joe one or The cit@--rs. ATCo document for Province of British Columbia 19 April 1999 Conclusion inere have beef rwo responses co the rea':.-sarion thar ni@cinne or Tobacco smok:ng does lot c verv corn'orrably into standard de; nitions of addiction. One. the response of the ,r, N A,ioc.,2non. is m -isum- : ;::,).i hx- n..;..:,1e is :0 concenrr:ire simpiv on producing a list of 'diagnoszx criceria' char can help to recogn3se zMain charac-t-risric svmptoms' of giving up cigarerzes. The iezond type of response is n-aiiied by .4e reporr of :ie US Surecon-General in 11938. As has been discussed above. this report broa."zried the deiinicion of addic-ion so far -41r I, has bezome meaningless. Trivial activities fail :rro the various criteria jus-, as weil as zoes heroin u@e. and one is rnererore ,e.-: with the :.-ioice of accepting vtrtjai:y aii jaiiv ;@MVMCS as jdjd:crive, or of -electing the deiinicion as ::-,appropr:ace and invalid. Warburton (1989)-' took the la::,-.- appro.3z::. He notes. -The Surgeon-Gentrai's Report conc!uJei mar nicotine is addi,;-:-.,! an :he ba.,s or IO znzerza. These cr,:c:-.a do not niconne use very wel!. except in a supen:-.6al sense... Of course. nicotine use :-Z)t '-,e cailed 'addic-non': someone. like the 5urgeon-rjencrah -_i: has to say --iar it is... .7-lov.-e-er. the mosc imporranc measure for a scientific z;aim is experimental verification. noc polincal :ronouncerren:s. however mascer;U!'. C C__ %O BATCo document for Province of British Columbia 19 April 1999