Introduction Research in community and clinical samples has documented elevated rates of cannabis use and cannabis use disorders (CUDs) among individuals with trauma exposure and posttraumatic stress disorder (PTSD). However, there is a lack of research investigating relations between, and correlates of, trauma and cannabis phenotypes in epidemiologic samples. The current study examined associations between trauma (i.e., lifetime trauma exposure and PTSD) and cannabis phenotypes (i.e., lifetime cannabis use and CUD) in a nationally representative sample. Methods Participants were individuals who participated in waves 1 and 2 of the National Epidemiologic Survey on Alcohol and Related Conditions (n=34,396; 52.4% women; Mage=48.0 years, SD=16.9). Results Lifetime DSM-IV Criterion A trauma exposure was significantly associated with lifetime cannabis use (OR=1.215) but was only marginally associated with CUD (OR=0.997). Within the trauma-exposed sample, lifetime PTSD showed a significant association with CUD (OR=1.217) but was only marginally associated with lifetime cannabis use (OR=0.992). Conclusions Partially consistent with hypotheses, lifetime trauma was associated with greater odds of lifetime cannabis use while PTSD was associated with greater odds of CUD. Longitudinal research investigating patterns of onset of these events/disorders is needed.
Objective Research has clearly documented the social dysfunction of youth with attention-deficit hyperactivity disorder (ADHD). However, little is known about the interpersonal relationships of adults diagnosed with ADHD in childhood, including rates of intimate partner violence (IPV). Method Using data from the Pittsburgh ADHD Longitudinal Study, analyses compared the level of IPV (verbal aggression, violence) reported by young adult (18-25 year-old) males with childhood ADHD (n=125) to reports by demographically-similar males without ADHD histories (n=88). Results Males with childhood ADHD, especially those with conduct problems persisting from childhood, were more likely to be verbally aggressive and violent with romantic partners than males without histories of ADHD or conduct problems. Conclusion Research is needed to replicate these findings, to explore potential mechanisms, and to develop effective interventions for romantic relationship discord among young adults with ADHD histories, especially those with persistent conduct problems.
Background Pronounced differences in drinking behavior exist between African Americans and European Americans. Disinhibited personality characteristics are widely studied risk factors for alcohol use outcomes. Longitudinal studies of children have not examined racial differences in these characteristics, in their rates of change, or whether these changes differentially relate to adolescent alcohol use. Methods Latent growth curve modeling was performed on seven annual waves of data on 447 African American and European American 8- and 10-year-old children followed into adolescence as part of the Tween to Teen Project. Both mother and child data were examined. Results European Americans had higher initial levels of (β = 0.22, p < .001) and greater growth in sensation seeking (β = 0.16, p < .05) compared to African Americans. However, African American children had higher initial levels of impulsivity compared to European American children (βs = −0.27 and −0.16, p < .01). Higher initial levels of sensation seeking (β = 0.18, p < .01) and greater growth in both sensation seeking (β = 0.24, p < .01) and impulsivity (βs = 0.30 to 0.34, p < .01) related to subsequent frequency of alcohol use. The association between race and alcohol use was partially mediated by initial levels of sensation seeking (β = 0.04, p < .05; 95% CI: 0.004 – 0.078). Additionally, sharper increases in sensation seeking predicted greater levels of subsequent alcohol use for European Americans (B = 0.33, p < .001) but not for African Americans (B = −0.15, ns). Conclusions This study revealed different developmental courses and important racial differences for sensation seeking and impulsivity. Findings highlight the possibility that sensation seeking at least partly drives early alcohol use for European American but not for African American adolescents.
The present investigation aimed to provide an objective narrative review of the existing literature pertaining to the benefits and harms of marijuana use for the treatment of the most common medical and psychological conditions for which it has been allowed at the state level. Common medical conditions for which marijuana is allowed (i.e., those conditions shared by at least 80 percent of medical marijuana states) were identified as: Alzheimer’s disease, amyotrophic lateral sclerosis, cachexia/wasting syndrome, cancer, Crohn’s disease, epilepsy and seizures, glaucoma, hepatitis C virus, human immunodeficiency virus/acquired immunodeficiency syndrome, multiple sclerosis and muscle spasticity, severe and chronic pain, and severe nausea. Post-traumatic stress disorder was also included in the review, as it is the sole psychological disorder for which medical marijuana has been allowed. Studies for this narrative review were included based on a literature search in PsycINFO, MEDLINE, and Google Scholar. Findings indicate that, for the majority of these conditions, there is insufficient evidence to support the recommendation of medical marijuana at this time. A significant amount of rigorous research is needed to definitively ascertain the potential implications of marijuana for these conditions. It is important for such work to not only examine the effects of smoked marijuana preparations, but also to compare its safety, tolerability, and efficacy in relation to existing pharmacological treatments.
Background Familial loading for alcoholism is an important marker of risk for early onset alcohol problems, but the early expression of this risk in community samples of children is understudied. Methods This study tested, for 452 eight- and ten-year old children, whether density of alcohol problems in their biological relatives was associated with externalizing behaviors that are risk factors for later alcohol problems. Results Density of alcohol problems in first- and second-degree biological relatives was associated with behavioral disinhibition (BD; e.g., poor inhibitory control, attentional shifting, β=.10, p=.04) and conduct problems (CP; i.e., defiance, aggression, delinquency, β=.18, p=.00). These relations were moderated by parenting practices (parental warmth, discipline consistency, and parental monitoring). The density-behavior association lost statistical significance when at least two of three parenting practices were rated above median levels for the sample (p=.67 to .36). The density-behavior association was mediated by current demographic advantage, (p=.00 for BD, p=.00 for CP), current maternal mental health, (p=.01 for BD, p=.00 for CP), and current maternal deviant behavior (for CP only, p=.01). Conclusions Findings support previously proposed but untested pathways in etiologic models of alcoholism and show the potentially important role of active parenting in reducing the expression of inherited vulnerability to alcoholism in childhood.
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