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Background: While the supply of cannabis is commonly assumed to be dominated by criminal gangs, a sizable share of the domestic cannabis supply is provided by small-scale growers. This article examines the nature and scope of small-scale growers' distribution practices, with a particular focus on cross-country differences and variations between different types of grower-distributors, i.e., "non-suppliers", "exclusive social suppliers", "sharers and sellers" and "exclusive sellers"., Methods: Based on a large convenience web survey sample of predominantly small-scale cannabis growers from 18 countries, this article draws on data from two subsamples. The first subsample includes past-year growers in all 18 countries who answered questions regarding their market participation (n = 8,812). The second subsample includes past-year growers in 13 countries, who answered additional questions about their supply practices (n = 2,296)., Results: The majority of the cannabis growers engaged in distribution of surplus products, making them in effect "grower-distributors". Importantly, many did so as a secondary consequence of growing, and social supply (e.g., sharing and gifting) is much more common than selling. While growers who both shared and sold ("sharers and sellers"), and especially those who only sold ("exclusive sellers"), grew a higher number of plants and were most likely to grow due to a wish to sell for profits, the majority of these are best described as small-scale sellers. That is, the profit motive for growing was often secondary to non-financial motives and most sold to a limited number of persons in their close social network., Conclusion: We discuss the implications of the findings on the structural process of import-substitution in low-end cannabis markets, including a growing normalization of cannabis supply., Competing Interests: Declaration of competing interest Thomas Friis Søgaard – no conflicts of interest Julie Elizabeth Brummer - no conflicts of interest Chris Wilkins - no conflicts of interest Sharon R. Sznitman – no conflicts of interest Eric l. Sevigny – no conflicts of interest Vibeke Asmussen Frank – no conflicts of interest Gary Potter - no conflicts of interest Pekka Hakkarainen – no conflicts of interest Monica J. Barratt – no conflicts of interest Bernd Werse – no conflicts of interest Jodie Grigg – no conflicts of interest Davide Fortin – no conflicts of interest Daniel Bear – no conflicts of interest Simon Lenton – no conflicts of interest Marie Jauffret-Roustide – no conflicts of interest Irma kirtadze – no conflicts of interest, (Copyright © 2024 The Author(s). Published by Elsevier B.V. All rights reserved.)

Aims: Illegal drug markets are often assumed to be violent and predatory due to the absence of third-party enforcement. While cannabis markets are generally considered to be relatively more peaceful, there has been little investigation of the levels of conflict and victimization among small-scale cannabis growers, particularly under different cannabis policy and enforcement settings. This paper explores prevalence and predictors of conflict and social control among small-scale cannabis growers., Methods: The data were obtained from an online convenience survey of small-scale cannabis growers from 13 countries (Austria, Canada, Denmark, Finland, France, Germany, Israel, New Zealand, Portugal, Switzerland, United Kingdom, United States, and Uruguay) from August 2020 to September 2021 (N = 5667). Key measures collected included the types of victimization due to cannabis growing, the perpetrators of these predatory actions, reasons for the conflict, and the grower's response to being victimized. Multivariate logistic regression models were used to identify predictors of different types of victimization and social control responses among cannabis cultivators., Results: Most growers (76 %) never directly experienced violence or other victimization related to their cannabis cultivation. However, about one-quarter of growers had been victimized at some point, mostly involving theft, with physical violence rare. Growing outdoors, growing with others, growing more plants, and being a more seasoned grower increased the risk of victimization. Growers who were motivated by profit were more susceptible to theft. Surprisingly, growers in legal recreational jurisdictions experienced greater levels of theft and violent victimization than growers in illegal jurisdictions. Nonviolent social control responses predominated among the growers, mostly characterized by toleration but also avoidance and negotiation., Conclusion: While most growers reported no victimization, a substantial minority did so, largely theft rather than violence, and typically did not report employing retaliatory violence. Social control responses were mostly nonviolent. These findings varied under different cannabis policy and enforcement environments. Cannabis legalization does not eliminate opportunities for theft and violence related to cannabis cultivation., Competing Interests: Declaration of Competing Interest All authors have no conflicts of interest or other declarations., (Copyright © 2023. Published by Elsevier B.V.)

Background: Little is known about cannabis use problems among individuals who use cannabis for medical purposes and whether rates and determinants of cannabis use problems in medical users differ to those observed among individuals using for recreational reasons. This study examines whether Severity of Dependence Scale (SDS) scores differ across individuals who use self-grown cannabis for the following reasons: "recreational only", "medical and recreational" and "medical only". Furthermore, the study tests whether cannabis use frequency, cannabis strain, and type of cannabis influences the strength of the association between purpose of use and cannabis use problems., Methods: Data (n = 5,347) were collected from a subsample of the Global Cannabis Cultivation Research Consortium project, focusing on small-scale cannabis growers in 18 countries. Robust regressions analyzed differences in SDS scores across the three use motivation groups., Results: Compared with respondents reporting only recreational motivations of cannabis use, those with medical (with and without recreational) motivations were associated with lower SDS scores (B: -0.190 and B: -0.459, p < 0.001 respectively). Daily use was associated with significantly higher SDS scores across all cannabis motivation groups, albeit the magnitude of the association was significantly smaller among individuals with medical motivations of use., Conclusion: The extent to which people experience cannabis use problems, and the determinants of these problems may differ depending on whether cannabis use is motivated by recreational or medical purposes. As such, the findings of the current study suggest that public education efforts, harm reduction approaches and policy responses should be tailored depending on whether cannabis is used for recreational or medical purposes., Competing Interests: Declaration of Competing Interest No conflict declared., (Copyright © 2023. Published by Elsevier B.V.)

Background: We analysed illicit stimulant use in Finland by comparing three separate datasets collected at the same time. Methods: The data used were wastewater analysis (2014 and 2018), population-based drug surveys (2014 and 2018) and European Web Survey on Drugs (2018, Finnish data). Proportions, prevalence levels and trends of stimulant use as well as their consumption were measured. Factors associated with stimulant use were assessed for past-year stimulant or amphetamine use as an outcome measure in regression analyses. Results: Both population-based drug survey and wastewater data showed that stimulant use has increased in Finland between 2014 and 2018. Disadvantaged socio-demographic background and other substance use were associated with past-year stimulant use, with no geographical variation in Finland. The socio-demographics of those reporting amphetamine use differed between population-based drug survey and web survey. In the web survey, infrequent and occasional users of amphetamine were quite alike, whereas frequent users were more likely to be unemployed or use injection as the route of administration. Conclusion: Analysis of three different data revealed findings that would have been missed and conclusions that could not have been made by using only one dataset. Putting findings from different methods into dialogue raises new questions and opens new interpretations. This analysis emphasises the importance of the prevention of frequent use and associated harm, as well as the impact of versatile drug treatment and harm reduction services on it., Competing Interests: The authors declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article., (© The Author(s) 2022.)

Background : Use of drug consumption rooms is a novel harm reduction approach to reach marginalised and isolated people who used drugs, under the high risk of overdose deaths and infectious diseases. The aim of this article was to evaluate the policy opportunities and barriers of the Helsinki City initiative for establishing the first drug consumption room (DCR) in Finland from the multiple streams framework. Method : A qualitative interview research method is used to evaluate the perspectives of stakeholders. By including 23 participants, we analysed the political, social and policy level advantages and disadvantages of the current initiative. Findings : Our results show that the cost of DCRs, the COVID-19 burdens on public resources, the requirement of legislative change, public unawareness, potential policy failure of DCRs, and its impacts on electoral votes constitute the main policy barriers. On the other hand, an increase in drug-related deaths, economic benefits of DCR for society, its effects on street safety and public order, being a local initiative, prospectus change in national drug strategy plans and motivation to catch up with EU standards were underlined as policy opportunities. Four issues, leadership, moral perspective, social change and generational differences, act as mediating factors, which are fluctuated according to public opinions and political environment. Conclusion : By applying the multiple streams framework, our results show that experts' DCR problematisation is still beyond the public and political interest, which needs additional effort around problem identification and prioritisation. Besides public unawareness, the COVID-19 situation seems to be postponing policy progress since the primary attention and available funds have already been dedicated to public health. Already having a local initiative and an upcoming drug strategy plan might be good formal leverage, but unexpected events might also trigger discussions., Competing Interests: Declaration of conflicting interests: The authors declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article., (© The Author(s) 2022.)

Background: Cannabis is the most popular illicit drug among adolescents in developed countries, including Finland. The aim of this study was to estimate 1) how cannabis experimentation among Finnish adolescents changed between 2003 and 2019, and 2) whether the associations between cannabis experiments and factors related to it, especially the use of tobacco and nicotine products, changed during the same time period., Methods: The analyses are based on the European School Survey Project on Alcohol and Other Drugs data, collected from Finnish adolescents aged 15 to 16 in 2003, 2007, 2011, 2015, and 2019 (N = 20,630)., Results: Experimentation with cannabis among Finnish adolescents has increased since the beginning of our follow-up. At the same time, alcohol use and smoking have decreased markedly, and attitudes toward cannabis use have become more relaxed. The association between smoking and cannabis experimentation has become weaker over time. However, the use of tobacco and nicotine products, especially polytobacco, is still a strong risk factor for experimentation with cannabis. The higher the number of tobacco or nicotine products used, the higher the probability for cannabis experimentation., Conclusions: Experimentation with cannabis has previously been concentrated predominantly on adolescents who smoke, but recently non-smokers are increasingly trying cannabis. It is possible that alternative ways of using cannabis may have increased its use. Despite the strict cannabis policy in Finland, its use has increased, which may be an indication that youth cultures and images of different substances play a significant role in adolescents experimenting with cannabis., (Copyright © 2020 Elsevier Ltd. All rights reserved.)

Aims: Understanding the mortality of drug users using multiple substances is helpful in preventing the harmful effects of polydrug use. We examined overall and cause-specific mortality and differences in mortality based on social background among people suspected of driving under the influence and testing positive for multiple substances (DUIMS) compared with the general Finnish population. Methods: Register data from 785 DUIMS during 2003-2006 were studied, with a reference population ( n = 25,381) drawn from the general Finnish population. The effect of DUIMS on all-cause and cause-specific mortality was estimated using a Poisson regression model. Results: DUIMS had an increased risk of death compared with the general population (MRR 5.3, 95% CI 4.2-6.6). The most common causes of death in DUIMS were poisonings (37.9%) and suicides (13.6%), whereas in the reference population these were cardiovascular diseases (30.8%) and cancer (26.6%). The cause-specific risk of death among DUIMS was higher in all observed causes of death, except for cancer. The effect of DUIMS on mortality was modified by age, employment status and marital status; DUIMS was associated with an elevated risk of death especially in younger age groups and in singles. Conclusions: DUIMS indicates higher mortality, and DUIMS' profiles in causes of death differ from the general population. Elevated risk for, for instance, suicidal, accidental and violent death among those using multiple substances highlights the need to also pay attention to causes of death other than poisoning/overdose.

The co-administration of different substances is a widespread practice in the context of hard drug use. Among others, alcohol combined with certain substances produces potentially dangerous interactions. This article explores how people who combine alcohol with benzodiazepines or psychostimulants perceive these practices and how they share their perceptions in Finnish and Swedish online discussions. This is carried out by analyzing discussants' use of metaphoric expressions. We found that the metaphors given to the use of these substance combinations reflect their pharmacological characteristics. Through that, the metaphors and meanings were different depending on the substance alcohol was combined with. Moreover, we found that, in the realities the metaphors create, the control of use was differently conceptualized. The different aspects of control could be divided into three categories that, however, were not related to any specific substances but overarched all metaphors: 1) controlling pharmacological risks, 2) controlling social appearance and 3) ignoring control. As our findings bring out, often the actual health dangers and risks of the studied substance combinations were bypassed, and the control was rather understood either as a form of socially appropriate behavior or wholly ignored.

Aims: Information technology has become an essential part of drug culture, providing a platform for lay knowledge concerning drug use. Due to the co-effects of different substances, making substance "combos" requires advanced skills to enhance pleasures and manage risks. In this study, we focussed on Finnish and Swedish online discussions as a context for learning and sharing experiences of combining substances., Methods: Taking influences from positioning theory, we used qualitative methods to map what kinds of mutual interactive positions related to the expertise in polydrug use online discussants take and how these positions are negotiated and reformulated in the online setting. We reflect these results through Howard S. Becker's theory of social learning, according to which becoming a drug user is a process that occurs in interaction with other users, as the beginners need a model and advice from experienced users in order to claim their place in the users' community., Results: In online forums, users discuss the risks and pleasures of combining drugs - on the one hand, in relation to different situations and, on the other hand, in relation to different competence positions. This occurs by asking for advice, presenting one's knowledge, challenging others, repositioning oneself, defending one's position or proving one's competence., Conclusion: Online discussion forums constitute a kind of virtual academy where knowledge of the pleasures and risks of combining substances is produced and circulated, and where experienced masters mediate their expertise to less experienced novices., Competing Interests: Declaration of conflicting interests: The authors declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article., (© The Author(s) 2018.)

Background: It is now commonly accepted that there exists a form of drug supply, that involves the non-commercial supply of drugs to friends and acquaintances for little or no profit, which is qualitatively different from profit motivated 'drug dealing proper'. 'Social supply', as it has become known, has a strong conceptual footprint in the United Kingdom, shaped by empirical research, policy discussion and its accommodation in legal frameworks. Though scholarship has emerged in a number of contexts outside the UK, the extent to which social supply has developed as an internationally recognised concept in criminal justice contexts is still unclear., Methods: Drawing on an established international social supply research network across eleven nations, this paper provides the first assessment of social supply as an internationally relevant concept. Data derives from individual and team research stemming from Australia, Belgium, Canada, Czech Republic, Finland, Germany, Hong Kong, the Netherlands, England and Wales, and the United States, supported by expert reflection on research evidence and analysis of sentencing and media reporting in each context. In situ social supply experts addressed a common set of questions regarding the nature of social supply for their particular context including: an overview of social supply research activity, reflection on the extent that differentiation is accommodated in drug supply sentencing frameworks; evaluating the extent to which social supply is recognised in legal discourse and in sentencing practices and more broadly by e.g. criminal justice professionals in the public sphere. A thematic analysis of these scripts was undertaken and emergent themes were developed. Whilst having an absence of local research, New Zealand is also included in the analysis as there exists a genuine discursive presence of social supply in the drug control and sentencing policy contexts in that country., Results: Findings suggest that while social supply has been found to exist as a real and distinct behaviour, its acceptance and application in criminal justice systems ranges from explicit through to implicit. In the absence of dedicated guiding frameworks, strong use is made of discretion and mitigating circumstances in attempts to acknowledge supply differentiation. In some jurisdictions, there is no accommodation of social supply, and while aggravating factors can be applied to differentiate more serious offences, social suppliers remain subject to arbitrary deterrent sentencing apparatus., Conclusion: Due to the shifting sands of politics, mood, or geographical disparity, reliance on judicial discretion and the use of mitigating circumstances to implement commensurate sentences for social suppliers is no longer sufficient. Further research is required to strengthen the conceptual presence of social supply in policy and practice as a behaviour that extends beyond cannabis and is relevant to users of all drugs. Research informed guidelines and/or specific sentencing provisions for social suppliers would provide fewer possibilities for inconsistency and promote more proportionate outcomes for this fast-growing group., (Crown Copyright © 2018. Published by Elsevier B.V. All rights reserved.)

Background: Non-medical use of prescription drugs (NMUPD) is known to be associated with illicit drug use, but less is known about how illicit drug use has changed in NMUPD. We examined (1) the changes in illicit drug use among Finnish non-medical users of prescription drugs during the 2000s and (2) whether the trends of illicit drug use differ by non-medical use of prescription drugs in the general population., Methods: Data were derived from population-based (aged 15-69) Drug Surveys conducted in Finland in 2002, 2006, 2010 and 2014. The response rates varied between 63% and 48%. NMUPD during the last year was measured (n=252). Past-year illicit drug use among non-medical users of prescription drugs and the reference population not reporting NMUPD (n=10,967) was compared. Logistic regression was used to estimate the p-values for trends., Results: Illicit drug use has increased notably among Finnish non-medical users of prescription drugs (from 21% to 70%, p for trend<0.001). This was not explained by the respondents' gender, age, employment status or alcohol use. Among the reference population, illicit drug use also increased statistically significantly, but much more moderately (from 2.5% to 5.4%). The difference between the trends was confirmed by an interaction test (p=0.022)., Conclusions: NMUPD seems to be increasingly merging with illicit drug use. This indicates an increasing prevalence of polydrug use among non-medical users of prescription drugs, which may bring about more severe harms and worse health outcomes for users and more challenges in regard to treatment., (Copyright © 2017 Elsevier B.V. All rights reserved.)

Background/aims: Polydrug use is a complicated phenomenon that is measured in a wide variety of different ways. Using Finland as an example, we aimed to demonstrate how the prevalence and prevalence trends of concurrent polydrug use (CPU) varied in the general population based on the different measurements used., Methods: Population-based Drug Surveys conducted every 4 years during 1998-2014 were used. CPU was measured with different measurements: strict, medial and loose definition of CPU, which were based on different combinations of alcohol, illicit drugs, pharmaceutical drugs and cigarettes used during the last 12 months/30 days. Logistic regression was used to estimate the p values for assessing trends., Results: Depending on the measurements used, the prevalence of CPU in 2014 varied between 2.0 and 18.7%. Different definitions also produced contradictory trends of CPU: there was a modest increase in prevalence if it was measured with a medial (p < 0.001) or strict (p = 0.054) definition, but when measured with the loose definition (only measure that included smoking), there was a decrease in prevalence (p < 0.001)., Conclusions: The prevalence of CPU varies greatly depending on the measurement used, as does the course of the prevalence trends. The concept of simultaneous polydrug use may capture the phenomenon better compared to the concept of CPU., (© 2017 S. Karger AG, Basel.)

Background: Internet-mediated research methods are increasingly used to access hidden populations. The International Cannabis Cultivation Questionnaire (ICCQ) is an online survey designed to facilitate international comparisons into the relatively under-researched but increasingly significant phenomenon of domestic cannabis cultivation. The Global Cannabis Cultivation Research Consortium has used the ICCQ to survey over 6000 cannabis cultivators across 11 countries. In this paper, we describe and reflect upon our methodological approach, focusing on the digital and traditional recruitment methods used to access this hidden population and the challenges of working across multiple countries, cultures and languages., Methods: Descriptive statistics showing eligibility and completion rates and recruitment source by country of residence., Results: Over three quarters of eligible respondents who were presented with the survey were included in the final sample of n=6528. English-speaking countries expended more effort to recruit participants than non-English-speaking countries. The most effective recruitment modes were cannabis websites/groups (33%), Facebook (14%) and news articles (11%). While respondents recruited through news articles were older, growing practice variables were strikingly similar between these main recruitment modes., Conclusion: Through this process, we learnt that there are trade-offs between hosting multiple surveys in each country vs. using one integrated database. We also found that although perceived anonymity is routinely assumed to be a benefit of using digital research methodologies, there are significant limits to research participant anonymity in the current era of mass digital surveillance, especially when the target group is particularly concerned about evading law enforcement. Finally, we list a number of specific recommendations for future researchers utilising Internet-mediated approaches to researching hidden populations., (Copyright © 2014 Elsevier B.V. All rights reserved.)

Background: This article aims to provide an overview of: demographic characteristics; experiences with growing cannabis; methods and scale of growing operations; reasons for growing; personal use of cannabis and other drugs; participation in cannabis and other drug markets; contacts with the criminal justice system for respondents to an online survey about cannabis cultivation drawn from eleven countries (N=6530). Important similarities and differences between the national samples recruited will be discussed., Methods: This paper utilizes data from the online web survey of predominantly 'small-scale' cannabis cultivators in eleven countries conducted by the Global Cannabis Cultivation Research Consortium (GCCRC). Here we focus primarily on descriptive statistics to highlight key similarities and differences across the different national samples., Results: Overall there was a great deal of similarity across countries in terms of: demographic characteristics; experiences with growing cannabis; methods and scale of growing operations; reasons for growing; use of cannabis and other drugs; participation in cannabis and other drug markets, and; contacts with the criminal justice system. In particular, we can recognise that a clear majority of those small-scale cannabis cultivators who responded to our survey are primarily motivated for reasons other than making money from cannabis supply and have minimal involvement in drug dealing or other criminal activities., Conclusions: These growers generally come from 'normal' rather than 'deviant' backgrounds. Some differences do exist between the samples drawn from different countries suggesting that local factors (political, geographical, cultural, etc.) may have some influence on how small-scale cultivators operate, although differences in recruitment strategies in different countries may also account for some differences observed., (Copyright © 2014 Elsevier B.V. All rights reserved.)

Background: The production and consumption of cannabis for the treatment of medical conditions is of increasing importance internationally; however, research on different aspects of the phenomenon is still scarce. In this article, we report findings from a cross-cultural study of small-scale cannabis cultivation for medical purposes. This kind of comparative study has not been done previously., Methods: The data were gathered with a help of web surveys conducted by the Global Cannabis Cultivation Research Consortium (GCCRC) in Australia, Belgium, Denmark, Finland, Germany and the UK (N=5313). In the analysis we compare reports of medical motives, for what conditions cannabis is used, whether users have diagnoses for these conditions and whether the use of cannabis been recommended as a treatment of those conditions by a medical doctor. Descriptive statistics are used to show the main commonalities and noteworthy disparities across different countries., Results: Findings from countries were quite similar, even though several national differences in details were found. Growing cannabis for medical purposes was widespread. The majority of medical growers reported cultivating cannabis for serious conditions. Most of them did have a formal diagnosis. One fifth had got a recommendation from their doctor, but in most cases cannabis use was self-medication which was not discussed with their doctors., Conclusion: There is a wider demand for licit access for medical cannabis than currently available in these countries. Ideologically, medical growers can be seen distancing themselves from both the legal and illicit drug markets. From a harm reduction perspective, it is worrying that, in the context of present health and control policies in these countries, many medical growers are using cannabis to treat serious medical conditions without proper medical advice and doctor's guidance., (Copyright © 2014 Elsevier B.V. All rights reserved.)

Smoking was once defined as an appropriate recreational substance or life comfort, but is now understood as a serious health risk and a public health problem important enough to be controlled by society. In this article the changed social position and development of tobacco regulations in Finland are studied from a perspective of social constructionism. The emergence of recent tobacco controls can be seen as a process whereby tobacco came to be defined as a social problem. I will argue that there were three primary definitions which played a decisive role in this process. Put in historical order, these three definitions contained (1) claims about harms to smokers, (2) claims about harms to others, and (3) claims about tobacco as a highly addictive drug. These conceptions together drove a complementary and mutually reinforcing re-conception of tobacco harms. Consequently, the emergence of these definitions led to the founding of new institutions, practices, and treatments. The leading value in the claim-making process was public health, which transferred the state's interest away from fiscal revenues towards lowering the costs caused by tobacco diseases. Correspondingly, medical science and medical doctors gained a position as the leading authority in the defining the tobacco issue. The latest conceptual innovation is the idea of a tobacco-free Finland by 2040, representing a strategy of 'de-normalising' tobacco use. The reversal in the social and cultural position of tobacco, which in Finland went from one extreme to another, was not based on pressure created by any wider social movements or organised tobacco-specific citizens groups, as in some other countries, but rather by a state health administration supported by a relatively small network of tobacco control advocates., (Copyright © 2013 Elsevier Ltd. All rights reserved.)

Background: The aim of the article is to analyze changes in opioid substitution treatments (OST) in Finland. OST spread in Finland in the late 1990s and early 2000s (Phase 1). Since then, OST has become an integrated part of Finnish drug policy and is provided in various substance abuse treatment units as well as in municipal health centers (Phase 2)., Methods: The paper analyses the policy around the implementation of opioid substitution treatment in Finland, focusing on identifying the key factors and the relations between them that have contributed to the implementation of OST in Finland., Results: OST has become accepted in Finland during the past ten years as a crucial element of a harm reduction strategy. Present incentives behind this development are not as clearly related to drug-specific policies as in the late 1990s; rather, they stem from both the restructuring of health care services (e.g. cost-effectiveness) and the strengthening of the medical or technico-administrative approach to the development of OST., Conclusion: Since the early 2000s, the development of substitution treatment in Finland has not taken place under explicit drug-political guidance, but largely as a result of many differing intended and unintended effects. One of the unintended effects is the fact that buprenorphine has replaced heroin as the most commonly misused opioid in Finland., (Copyright © 2013 Elsevier B.V. All rights reserved.)

The Department of Alcohol, Drugs and Addiction started operations on 1 January 2009, when the National Institute of Public Health (KTL) and the National Research and Development Centre for Welfare and Health (STAKES) were merged. The newly formed institute, called the National Institute for Health and Welfare (THL), operates under the Finnish Ministry of Social Affairs and Health. The scope of the research and preventive work conducted in the Department covers alcohol, drugs, tobacco and gambling issues. The two main tasks of the Department are (i) to research, produce and disseminate information on alcohol and drugs, substance use, addictions and their social and health-related effects and (ii) to develop prevention and good practices with a view to counteracting the onset and development of alcohol and drug problems and the damaging effects of smoking and other addictions. The number of staff hovers at approximately 60 people. The Department is organized into three units, one specialized in social sciences (the Alcohol and Drug Research Unit), another in laboratory analytics (the Alcohol and Drug Analytics Unit) and the third primarily in preventive work (the Addiction Prevention Unit). These units incorporate a rich variety and long traditions of both research and preventive work. The mixture of different disciplines creates good opportunities for interdisciplinary research projects and collaboration within the Department. Also, the fact that in the same administrative context there are both researchers and people specialized in preventive work opens up interesting possibilities for combining efforts from these two branches. Nationally, the Department is a key player in all its fields of interest. It engages in a great deal of cooperation both nationally and internationally, and among its strengths are the high-quality, regularly collected long-term data sets., (© 2011 The Authors, Addiction © 2011 Society for the Study of Addiction.)

Aims: To compare domestic cannabis cultivation in Denmark and Finland to describe national characteristics in small-scale cannabis growing., Design: A Web survey conducted among small-scale cannabis growers in Denmark (June to November 2008) and Finland (May to June 2009)., Participants: Current cannabis growers (Denmark, 401; Finland, 1,054)., Measurements: Comparisons in regard to social background, growing history, practices, purposes and motives of growing, and perceptions of risks., Findings: Cannabis was cultivated primarily for own use, but sharing with friends and avoiding criminal circles also were significant motives for growing. Finnish growers prioritized indoor cultivation, whereas the Danes were more in favor of open-air plantations. Risks of getting caught by the police were observed to be greater in Finland. Growing for medical purposes was twice as prevalent in Finland as in Denmark., Conclusions: Cannabis growing is a stronger and more novel phenomenon in Finland than in Denmark, but both countries have been influenced by international trends. Finnish and Danish small-scale cannabis cultivators can be considered to be ideologically oriented lifestyle growers. Differences in the magnitude of the phenomenon may reflect differences in the availability and quality of cannabis in national drug markets. The Internet had promoted the spreading of the trend., (Copyright © 2011 S. Karger AG, Basel.)

Aims: To determine the relationships between the different patterns of drinking and drug use in the general population., Design: The data from three nationwide surveys conducted in Finland in 1998, 2002 and 2004 were pooled into one dataset (n = 7,227)., Participants: Population aged 15-69., Measurements: Use of illicit drugs was analyzed in relation to annual alcohol consumption, heavy episodic drinking, frequenting of pubs and restaurants, and the misuse of prescribed drugs. Respondents were divided into five different groups according to their involvement in drug cultures, i.e. 'no contact with drug cultures', 'some contact with drug cultures', 'drug experimenters and ex-users', 'cannabis users' and 'multidrug users'., Findings: The prevalence of drug use increased along with the annual alcohol consumption, and polysubstance use was most prevalent among heavy drinkers. Heavy episodic drinking and frequenting of pubs and restaurants increased in parallel with involvement in drug cultures. Misuse of prescribed drugs was most prevalent among multidrug users., Conclusions: Polysubstance use patterns reveal an interlacing of alcohol and drug cultures. However, standard measures employed in alcohol and drug research are insufficient to capture the phenomenon in detail, and more research and the development of new approaches are needed., (2009 S. Karger AG, Basel.)