Publications by authors named "J Deak"
Background: The long-term impact of opioid use disorder (OUD) on brain health has been little explored although of potentially high public health importance.
Objectives: To investigate the potential causal impact of OUD on later life brain health outcomes, including dementia, stroke and brain structure.
Methods: Observational and Mendelian randomization (MR) analyses were conducted.
Objective: This study investigated the genetic and epigenetic mechanisms underlying the comorbidity patterns of five substance dependence diagnoses (SDs; alcohol, AD; cannabis, CaD; cocaine, CoD; opioid, OD; tobacco, TD).
Methods: A latent class analysis (LCA) was performed on 31,197 individuals (average age 42±11 years; 49% females) from six cohorts to identify comorbid DSM-IV SD patterns. In subsets of this sample, we tested SD-latent classes with respect to polygenic burden of psychiatric and behavioral traits and epigenome-wide changes in three population groups.
Article Synopsis
- A study found a strong link between antisocial personality disorder (ASPD) and various substance use disorders (SUD), specifically alcohol, cannabis, and tobacco use disorders.
- The association was particularly significant for the "hazardous use" criteria across all SUDs, suggesting that individuals with ASPD often engage in riskier substance use.
- Notably, ASPD was related to a lower likelihood of attempting to quit cocaine, indicating that those with ASPD may struggle more with cessation efforts for certain substances.
Article Synopsis
- Human genetic studies often lack diversity, which limits understanding of disease causes and health disparities.
- The Department of Veterans Affairs Million Veteran Program analyzed data from a diverse group of 635,969 veterans, revealing 13,672 genomic risk loci, with significant findings particularly from non-European populations.
- The research identified causal variants across 613 traits, showing that genetic similarities exist across populations and emphasizing the importance of including underrepresented groups in genetic research.