ImportanceSleep disorders have different etiologies yet share some nocturnal and daytime symptoms, suggesting common neurobiological substrates; healthy individuals undergoing experimental sleep deprivation also report analogous daytime symptoms. However, brain similarities and differences between long-term sleep disorders and short-term sleep deprivation are unclear.ObjectiveTo investigate the shared

ImportanceCognitive behavior therapy (CBT) is a first-line treatment for most mental disorders. However, no meta-analytic study has yet integrated the results of randomized clinical trials on CBT across different disorders, using uniform methodologies and providing a complete overview of the field.ObjectiveTo examine the effect sizes of CBT for 4 anxiety disorders, 2 eating disorders, major depression

This Viewpoint explores potential justifications underlying the US Food and Drug Administration (FDA)’s rejection of methylenedioxymethamphetamine (MDMA) as a treatment for posttraumatic stress disorder, including lack of blinding and issues around the integrity of relevant clinical trials.

ImportanceAnalyzing effects within placebo groups allows for transdiagnostic comparisons, as placebo is the only substance systematically studied across all major psychiatric diagnoses. Recently, the study team meta-analytically showed that improvement under placebo varies across major psychiatric diagnoses. However, comprehensive transdiagnostic comparisons of negative effects under placebo (nocebo

ImportanceIndividuals whose chronic pain is managed with opioids are at high risk of developing an opioid use disorder. Electronic health records (EHR) allow large-scale studies to identify a continuum of problematic opioid use, including opioid use disorder. Traditionally, this is done through diagnostic codes, which are often unreliable and underused.ObjectiveTo determine whether regular expressions

ImportanceDespite evidence that individuals with a cannabis use disorder (CUD) are at elevated risk of psychosis and that the neurotransmitter dopamine has a role in psychosis, the mechanism linking cannabis use and psychosis remains unclear.ObjectiveTo use neuromelanin-sensitive magnetic resonance imaging (MRI), referred to as the neuromelanin-MRI signal, a practical, proxy measure of dopamine function

ImportanceClinical practice guidelines recommend suicide risk screening and assessment across behavioral health settings. The predictive accuracy of real-world clinician assessments for stratifying patients by risk of future suicidal behavior, however, remains understudied.ObjectiveTo evaluate routine clinical suicide risk assessment for prospectively predicting suicide attempt.Design, Setting, and

ImportanceMajor depressive disorder (MDD) is a severe mental illness characterized more by functional rather than structural brain abnormalities. The pattern of regional homogeneity (ReHo) deficits in MDD may relate to underlying regional hypoperfusion. Capturing this functional deficit pattern provides a brain pattern–based biomarker for MDD that is linked to the underlying pathophysiology.ObjectiveTo

ImportanceTreatment-resistant depression (TRD) remains a critical challenge in psychiatry, with limited effective options. Esketamine, a rapid-acting antidepressant, is usually combined with a selective serotonin reuptake inhibitor (SSRI) or a serotonin-norepinephrine reuptake inhibitor (SNRI), but comparative evidence of these combinations’ effectiveness in real-world settings is sparse.ObjectiveTo

This Viewpoint discusses the opportunity to include inflammatory biomarkers as specifiers for major depression in the upcoming Sixth Edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-6).

ImportanceTraumatic brain injury is common and occurs across all ages. Observational studies have shown that traumatic brain injury is associated with a wide range of mental disorders and suicide. Whether these associations represent a causal effect is, however, difficult to establish, and confounding by genetic liability for mental disorder may play a substantial role.ObjectiveTo investigate whether

This Viewpoint discusses assessing decision-making capacity in patients with severe anorexia nervosa and why a multidisciplinary approach is preferred.

This Viewpoint discusses developing better evidence about appropriate use of stimulants, understanding and reducing nonmedical use of these medications, and responding to shortages.

Importance Collaborative care is a multicomponent intervention for patients with chronic disease in primary care. Previous meta-analyses have proven the effectiveness of collaborative care for depression; however, individual participant data (IPD) are needed to identify which components of the intervention are the principal drivers of this effect. Objective To assess which components of collaborative

ImportanceBariatric surgery, once the criterion standard in obesity treatment, has a small but concerning association with increased suicidality. Glucagon-like peptide 1 receptor agonists (GLP-1 RAs), originally developed to treat diabetes, now provide substantial efficacy in the treatment of obesity. However, concerns of risk of suicidality with these medicines have been raised.ObjectiveTo evaluate

ImportanceStimulants are increasingly prescribed for US adults. Whether such prescribing is associated with misuse and prescription stimulant use disorder (PSUD) is less understood.ObjectivesTo examine (1) sex- and age-specific trends in the number of persons dispensed stimulants and trends in dispensed prescription stimulants by prescriber specialty in 2019 through 2022; (2) prevalence of misuse and

ImportanceMicrodosing psychedelics, including lysergic acid diethylamide (LSD), has gained attention for its potential benefits in several psychiatric disorders, including attention-deficit/hyperactivity disorder (ADHD). However, LSD’s efficacy in reducing ADHD symptoms remains unknown.ObjectiveTo determine the safety and efficacy of repeated low doses of LSD in reducing ADHD symptoms compared with

IMPORTANCEMaternal inflammation during pregnancy has been associated with an increased risk of neurodevelopmental disorders (NDDs), such as attention-deficit/hyperactivity disorder (ADHD) and autism, and cognitive deficits in early childhood. However, little is known about the contributions of a wider range of inflammatory proteins to this risk.OBJECTIVETo determine whether maternal inflammatory proteins

ImportancePeripheral (blood-based) biomarkers for psychiatric illness could benefit diagnosis and treatment, but research to date has typically been low throughput, and traditional case-control studies are subject to potential confounds of treatment and other exposures. Large-scale 2-sample mendelian randomization (MR) can examine the potentially causal impact of circulating proteins on neuropsychiatric

ImportanceExpectancy effects are significant confounding factors in psychiatric randomized clinical trials (RCTs), potentially affecting the interpretation of study results. This narrative review is the first, to our knowledge, to explore the relationship between expectancy effects, compromised blinding integrity, and the effects of active treatment/placebo in psychiatric RCTs. Additionally, we present

ImportanceThis study aims to provide robust evidence to support or challenge the immune hypothesis of schizophrenia.ObjectiveTo conduct a meta-analysis of reports on blood leukocyte subpopulations in schizophrenia vs healthy controls, examining disease- and treatment-related differences as well as potential confounders.Data SourcesSystematic database search for English and non-English peer-reviewed

ImportanceSports gambling has become one of the most accessible forms of gambling in the United States, and recent research suggests that sports gambling coupled with frequent alcohol use may have deleterious health consequences.ObjectiveTo examine the trajectories of sports gambling frequency and alcohol-related problems over time and the associations between these trajectories.Design, Setting, and

This Viewpoint explores the shift from the process-oriented concept of evidence-based practicing toward the development and distribution of evidence-based practices within the sphere of mental health care.

ImportanceIntermittent theta-burst stimulation (iTBS) is an established treatment for treatment-resistant depression (TRD). Sessions conducted more than once daily (ie, accelerated TBS [aTBS]) may enhance antidepressant effects. However, evidence is limited to small trials, and protocols are time-consuming and can require neuroimaging-based targeting.ObjectiveTo evaluate the efficacy and safety of

ImportanceAccessing mental health care is challenging for youths, especially those facing intersectional disadvantages, but whether enhancing youth services increases reach and timeliness has rarely been investigated. ACCESS Open Minds (ACCESS-OM) transformed services at urban, rural, and Indigenous sites in Canada using 5 principles (early identification, rapid access, appropriate care, no age-based

ImportanceTreatment-resistant depression (TRD) is a major challenge in mental health, affecting a significant number of patients and leading to considerable burdens. The etiological factors contributing to TRD are complex and not fully understood.ObjectiveTo investigate the genetic factors associated with TRD using polygenic scores (PGS) across various traits and explore their potential role in the

ImportancePrevious reports regarding comparative suicide incidence among US physicians vs nonphysicians have been inconclusive.ObjectiveTo estimate the national incidence of male and female physician suicide and analyze associated factors, comparing findings to the general population.Design, Setting, and ParticipantsThis retrospective cohort study investigated suicides among physicians and nonphysicians

The arc of my career has focused on the integration of clinical care, mentoring, and research, leading to meaningful research questions and intervention trials advancing the field. In this Special Communication, I first offer a brief synopsis of my work as an academic psychiatrist, highlighting mission, themes and publications, sponsors, and collaborators. I then discuss activities as a mentor, focusing

ImportanceThe diagnosis of schizophrenia and bipolar disorder is often delayed several years despite illness typically emerging in late adolescence or early adulthood, which impedes initiation of targeted treatment.ObjectiveTo investigate whether machine learning models trained on routine clinical data from electronic health records (EHRs) can predict diagnostic progression to schizophrenia or bipolar

ImportanceApproximately 85% of individuals receiving opioid agonist therapy for opioid dependence smoke tobacco. Despite the significant health risks associated with smoking-related diseases, there has been limited evaluation of smoking interventions tailored to this population.ObjectiveTo determine the effectiveness of an intervention combining nicotine replacement with brief behavioral support in

ImportancePreclinical, observational, and pharmacoepidemiology evidence indicates that glucagon-like peptide 1 receptor agonists (GLP-1RAs) may reduce alcohol intake. Randomized trials are needed to determine the clinical significance of these findings.ObjectiveTo evaluate the effects of once-weekly subcutaneous semaglutide on alcohol consumption and craving in adults with alcohol use disorder (AUD)

ImportanceSuicide is a public health crisis, and despite renewed efforts to confront this problem, suicide rates continue to rise in the US. While suicide prevention encompasses a broad array of strategies, treatment development is lagging. Within this realm, clinical trials are the criterion standard for evaluating safety and efficacy of new treatments.ObservationsMost clinical trials conducted among

ImportanceIdentifying anatomy causally involved in psychosis could inform therapeutic neuromodulation targets for schizophrenia.ObjectiveTo assess whether lesions that cause secondary psychosis have functional connections to a common brain circuit.Design, Setting, and ParticipantsThis case-control study mapped functional connections of published cases of lesions causing secondary psychosis compared

Importance Accurate baseline information about the proportion of people with mental disorders who receive effective treatment is required to assess the success of treatment quality improvement initiatives. Objective To examine the proportion of mental and substance use disorders receiving guideline-consistent treatment in multiple countries. Design, Setting, and Participants In this cross-sectional

ImportanceAlthough psychological traumas have been associated with endometriosis, limited information is available regarding the role of trauma type and genetic predisposition.ObjectiveTo examine the relationship between traumatic experiences and endometriosis using observational and genetically informed analyses.Design, Setting, and ParticipantsFor this case-control study, the analyses were performed

This Viewpoint discusses the regulatory and financial barriers to cannabis research, and the potential changes to these barriers if cannabis is reclassified as a Schedule III drug.

ImportanceThe launch of the 988 Suicide and Crisis Lifeline (988) in July 2022 aimed to enhance access to crisis mental health services by replacing the National Suicide Prevention Lifeline with a more memorable number and expanding the Lifeline scope beyond suicide. However, 988’s success relies on the availability of community crisis services.ObjectiveTo examine whether the launch of 988 was associated

ImportanceIntermittent explosive disorder (IED) is an understudied psychiatric condition marked by impulsive aggression and poorly regulated emotional control, often resulting in interpersonal and societal consequences. Better understanding of comorbidities can improve screening, diagnosis, and treatment.ObjectiveTo investigate the prevalence of IED and its associations with psychiatric, neurological

This cross-sectional study assesses differences in cannabis use frequency and prevalence of cannabis use disorder between medical-only, medical-nonmedical, and nonmedical-only use among US adults.

This Viewpoint discusses social health, which refers to the quality and quantity of social interactions, relationships, and support networks, as an important independent component of overall health alongside physical and mental health.

ImportanceIn the 2020 Bostock v Clayton County decision, the US Supreme Court extended employment nondiscrimination protection to sexual minority adults. The health impacts of this ruling and similar policies related to sexual orientation–based discrimination are not currently known.ObjectiveTo estimate changes in mental health following the Bostock decision among sexual minority adults in states that

ImportanceAs an accessible part of the central nervous system, the retina provides a unique window to study pathophysiological mechanisms of brain disorders in humans. Imaging and electrophysiological studies have revealed retinal alterations across several neuropsychiatric and neurological disorders, but it remains largely unclear which specific cell types and biological mechanisms are involved.ObjectiveTo

ImportanceThere is unprecedented clinician, industry, and patient interest in the therapeutic development of psychedelic drugs. This is due to a combination of promising clinical trial results, positive media coverage, and the lack of novel pharmacologic treatments for psychiatric disorders in recent decades. However, the field faces a key methodological challenge: masking participants to treatment

ImportanceIn the Netherlands, a growing group of young people request medical assistance in dying based on psychiatric suffering (MAID-PS). Little is known about this group, their characteristics, and outcomes.ObjectiveTo assess the proportion of requests for and deaths by MAID-PS among young patients, outcomes of their application and assessment procedures, and characteristics of those patients who

This Viewpoint discusses better integration of peer support specialists and other paraprofessionals into clinical and community practice settings to help address the behavioral health workforce shortage.

ImportancePreventing suicide is one of the top priorities in public health policy. Identifying key social determinants of health (SDOH) in suicide risk is critical for informing clinical practices, future research, and policy solutions to prevent suicide.ObjectiveTo examine the associations of SDOH with suicide-related outcomes.Data SourcesStudies published before July 2023 were searched through PubMed

ImportanceMania/hypomania is the pathognomonic feature of bipolar disorder (BD). As BD is often misdiagnosed as major depressive disorder (MDD), replicable neural markers of mania/hypomania risk are needed for earlier BD diagnosis and pathophysiological treatment development.ObjectiveTo replicate the previously reported positive association between left ventrolateral prefrontal cortex (vlPFC) activity