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Background Alcoholics Anonymous (AA) is a world-wide recovery mutual-help organization that continues to arouse controversy. In large part, concerns persist because of AA's ostensibly quasi-religious/spiritual orientation and emphasis. In 1990 the United States' Institute of Medicine called for more studies on AA's effectiveness and its mechanisms of behavior change (MOBC) stimulating a flurry of federally funded research. This paper reviews the religious/spiritual origins of AA and its program and contrasts its theory with findings from this latest research. Method Literature review, summary and synthesis of studies examining AA's MOBC. Results While AA's original main text ('the Big Book', 1939) purports that recovery is achieved through quasi-religious/spiritual means ('spiritual awakening'), findings from studies on MOBC suggest this may be true only for a minority of participants with high addiction severity. AA's beneficial effects seem to be carried predominantly by social, cognitive and affective mechanisms. These mechanisms are more aligned with the experiences reported by AA's own larger and more diverse membership as detailed in its later social, cognitive and behaviorally oriented publications (e.g. Living Sober, 1975) written when AA membership numbered more than a million men and women. Conclusions Alcoholics Anonymous appears to be an effective clinical and public health ally that aids addiction recovery through its ability to mobilize therapeutic mechanisms similar to those mobilized in formal treatment, but is able to do this for free over the long term in the communities in which people live. [ABSTRACT FROM AUTHOR]

ABSTRACT Aims The aim of this paper is to provide a critical overview of the development and current status of gambling in Australia. Methods The paper examines the history and current status of gambling in Australia with a particular focus on the prevalence of problem gambling in the community and developments in policy and treatment services. Results The paper highlights the contradictory role of State governments as both providers of treatment services as well as agents for the liberalization for gambling. It also shows how the notion of 'addiction' is conceptualized in Australian research and treatment services, including the preference for harm-based and public health approaches. Such perspectives view problem gambling as having multiple pathways and determinants that extend beyond the pathology of individuals. Conclusions Gambling in Australia provides a curious paradox. Highly liberalized State government policies that allow the proliferation of high intensity gambling coexist with extensive policy, regulation and research designed to address the negative impact of gambling on the Australian community. [ABSTRACT FROM AUTHOR]

Aims Regression to the mean (RTM) refers to the tendency for a group of cases that differ from the population mean to move (regress) towards the mean, on average, when re-assessed, if scores at the two points are less than perfectly correlated. This paper considers factors that affect the magnitude of RTM and how RTM may impact findings from primary studies and reviews of substance use disorder (SUD) treatment. Design and methods The paper is guided largely by A Primer on Regression Artifacts by Campbell and Kenny. It reviews potential RTM effects in three areas of SUD treatment research. One is the extent to which within-group improvement in comparative treatment trials, including ‘placebo effects’, is a function of RTM. The second is the vulnerability of treatment evaluations employing non-equivalent control group designs to RTM and biased estimates of treatment effects when matching, or statistical equating is used to adjust for pre-existing group differences. The final issue is the impact of RTM in syntheses of research findings on SUD treatments. In particular, the tendency for later studies of a particular intervention to have smaller treatment effect sizes relative to earlier studies is considered as an RTM phenomenon. Findings RTM is a pervasive, but often unrecognized phenomenon that can bias findings in SUD treatment studies and in systematic reviews of that research. Conclusion SUD treatment researchers should be aware of RTM, take any available steps to reduce it, and try to diagnose whether it is still affecting research findings. [ABSTRACT FROM AUTHOR]

The author discusses the article "Naltrexone in the treatment of opioid-dependent pregnant women: the case for a considered and measured approach to research" by H. E. Jones and colleagues in the April 2012 issue. The author hopes that the paper will initiate an international project enabling a gradual increase of knowledge on naltrexone treatment efficiency with the possibility of detecting early signs of long-term developmental problems.