Background: Benzodiazepine misuse is a growing public health problem, with increases in benzodiazepine-related overdose deaths and emergency room visits in recent years. However, relatively little attention has been paid to this emergent problem. We systematically reviewed epidemiological studies on benzodiazepine misuse to identify key findings, limitations, and future directions for research. Methods: PubMed and PsychINFO databases were searched through February 2019 for peerreviewed publications on benzodiazepine misuse (e.g., use without a prescription; at a higher frequency or dose than prescribed). Eligibility criteria included human studies that focused on the prevalence, trends, correlates, motives, patterns, sources, and consequences of benzodiazepine misuse. Results: The search identified 1,970 publications, and 351 articles were eligible for data extraction and inclusion. In 2017, benzodiazepines and other tranquilizers were the third most commonly used illicit or prescription drug in the U.S. (approximately 2.2% of the population). Worldwide rates of misuse appear to be similar to those reported in the U.S. Factors associated with misuse include other substance use, receipt of a benzodiazepine prescription, and psychiatric symptoms and disorders. Benzodiazepine misuse encompasses heterogeneous presentations of motives, patterns, and sources. Moreover, misuse is associated with myriad poor outcomes, including mortality, HIV/HCV risk behaviors, poor self-reported quality of life, criminality, and continued substance use during treatment.

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Participation in shared self-expanding activities benefits both relationships and the self. However, most studies use tasks that combine self-expansion and arousal within one activity, making it difficult to know what drives the benefits. We tested the distinct effects of self-expansion and arousal in four studies. In Studies 1 and 2, 35 married couples and 106 friend pairs completed experiments manipulating self-expansion and arousal. Self-expansion (and not arousal) predicted relationship and individual outcomes. In Studies 3 and 4, 200 married individuals and 202 individuals thinking of a close friend reported perceptions of self-expansion and arousal during activities. Simultaneous regressions showed self-expansion, controlling (or not controlling) for arousal, predicted relationship, and individual outcomes. Results suggest that self-expansion is central for deriving benefits of shared activities, while arousal does not seem to be necessary.

Targeted intervention to those with polysubstance use-including education on overdose risk when benzodiazepines are combined with other substances-is indicated in men and women with alcohol use disorder. Anxiety sensitivity may be a potential therapeutic target to reduce nonmedical benzodiazepine use among women with alcohol use disorder. (Am J Addict 2018;27:485-490).

Scholars view racial identity as a fluid social construction that can shift with time and context. But outside of academia, do people intuitively see racial identity as fluid or fixed? Four studies reveal that people see racial identity as varying flexibly with the social context—in particular, assimilating to the race of one’s friends. Participants perceived the same Black–White Biracial men as identifying as more Black (Study 1) and wanting to be perceived as more stereotypically Black (i.e., athletic; Study 3c) when with Black friends than when alone. Conversely, Biracial men were perceived as identifying as more White (Study 2) and wanting to be perceived as more stereotypically White (i.e., competent and well-spoken; Studies 3a, 3b) when with White friends. Fluid inferences of racial identity also extended to Monoracial people (Studies 4a, 4b). We conclude that people perceive others’ racial identity as shifting with the social context—eliciting distinct biases.

IntroductionFrequent exposure to peer‐shared alcohol‐related content (ARC) on social media is associated with greater alcohol consumption and related consequences among undergraduates. Social media influencers also share ARC; yet, the effect of exposure to influencer‐shared ARC on alcohol outcomes has not been examined. The current study examined whether following influencers who share ARC and the frequency of sharing were associated with alcohol outcomes, and associations between influencer type (e.g., actors) and alcohol outcomes.MethodsUndergraduates (N = 528) from two universities in the United States completed an online survey assessing demographics, social media use, alcohol use and related consequences. They listed up to five influencers they followed and viewed the most content from. A series of linear regression models were conducted.ResultsHaving a larger proportion of influencers sharing ARC was associated with greater quantity, frequency and peak drinks, but not consequences. Frequency of influencers sharing ARC was associated with greater quantity and peak drinks, but not frequency or consequences. Findings remained significant, even after controlling for peer ARC. Actor ARC, everyday person ARC and ‘other’ type influencer ARC were associated with several alcohol outcomes.Discussion and ConclusionsThis study added to the literature by examining how following influencers who share ARC, and sharing frequency, were associated with drinking outcomes over and above exposure to peer ARC. It also examined whether ARC content from specific types of influencers was associated with alcohol outcomes. Findings highlight that the source of ARC is relevant when studying the effects of ARC exposure on college drinking.

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