The technique itself is worth understanding, because it is more mechanically demanding than it first appears. Warm needle acupuncture combines acupuncture, the insertion of fine needles into specific points on the body, with moxibustion, the burning of dried mugwort near or on the skin to deliver radiant heat. In the warm needle variant, a small ball or cylinder of moxa is attached directly to the shaft of an inserted needle and ignited. Heat travels down the conductive metal shaft to the tip, delivering warmth deep into the tissue at the insertion point. Practitioners regard this as a way of intensifying the stimulation of acupuncture points, particularly for conditions associated with cold sensitivity, chronic pain, and musculoskeletal stiffness. The procedure, however, demands constant attention: the moxa must be sized and positioned correctly, the burning material must not scald the skin, smoke must be managed, and the needle must be monitored until the heat dissipates. Every one of those steps is an opportunity for error, and every one of them takes time.

To map how the profession actually uses this technique, the researchers conducted a web-based survey between September 27 and November 3, 2025, inviting all 28,319 licensed Korean Medicine doctors in the country to participate. A total of 1,076 completed the questionnaire, a sample large enough to support meaningful subgroup analysis across age brackets, career stages, and practice settings. Respondents were asked whether they used warm needle acupuncture, how often, for which conditions, whether they had encountered adverse events, what prevented more frequent use, and what kinds of devices, training, or reimbursement changes they would like to see. The study was reviewed and granted an exemption by the Institutional Review Board of Dongguk University Oriental Hospital and conducted in line with the Declaration of Helsinki, with electronic informed consent from all participants.

The headline finding is that warm needle acupuncture is far from marginal. Among the 1,076 respondents, 68.7 percent reported using it in clinical practice, a striking adoption rate for a procedure that requires hands-on fire management in an era of standardized, single-use needles. The subgroup analyses added an important nuance: utilization rose steadily with both clinical experience and age. Older, more seasoned practitioners were considerably more likely to reach for the moxa and the matches than their younger colleagues. That pattern cuts two ways. It suggests the technique’s value is learned and confirmed through years of practice, but it also hints at a generational drift, in which newer graduates trained in a more proceduralized, risk-averse clinical environment may be quietly letting the skill atrophy.

Then comes the number that will draw the most attention: among the 739 respondents who had actually used warm needle acupuncture, 87.8 percent reported having encountered at least one adverse event related to the technique in their clinical careers. The survey did not report that these events were severe, and in the context of moxibustion-adjacent procedures the most common harms are typically minor burns, blisters, and skin irritation at the treatment site. But the near-universality of the experience is itself the finding. It means that adverse events are not rare outliers in warm needle acupuncture practice; they are a routine, expected feature of the procedure as currently performed. For a modality seeking broader clinical and international adoption, that statistic is a red flag aimed squarely at the equipment rather than the concept.

When the researchers asked what stood in the way of more frequent use, the answers converged on three barriers: procedural complexity, safety concerns, and reimbursement limitations. In other words, the doctors surveyed were not doubting whether warm needle acupuncture helps their patients. The constraints they identified are logistical and systemic. The procedure is fiddly and time-consuming to perform correctly, the risk of burns is baked into the current manual method, and insurance coverage does not adequately reward the extra time and skill the technique demands. This distinction matters, because it reframes the problem. If clinicians believed the therapy was ineffective, the solution would be more trials and, potentially, abandonment. Because they believe it works but find it cumbersome and risky, the solution is engineering, standardization, and payment reform.

The survey’s data on future demand make that reframing explicit. A majority of respondents, 70.7 percent, said the top priority should be the development of user-friendly and safe warm needle devices, and 74.9 percent said they would be willing to adopt dedicated devices in their clinics if such tools became available. When asked which features mattered most, 64.7 percent pointed to improved ease of application and 46.7 percent to enhanced safety. Read together, these figures describe a profession that has effectively issued a product specification to the medical device industry: build a warm needle system that a busy clinician can apply quickly, that controls or eliminates the burn risk, and that integrates cleanly into a modern clinic’s workflow, and adoption will follow. The willingness-to-adopt figure is particularly notable, because surveys of clinicians often reveal resistance to new technology; here the resistance runs the other way, toward a technology that does not yet exist in the form practitioners want.

The authors conclude that the clinical utilization of warm needle acupuncture appears to be influenced primarily by procedural and systemic constraints rather than by doubts about its perceived clinical effectiveness. Their prescription is twofold: the development of standardized, safer devices, and appropriate insurance support to make the procedure economically viable in routine care. They also emphasize that further clinical research is required to strengthen the evidence base on both efficacy and safety, a necessary step if the modality is to travel beyond Korean Medicine clinics into international integrative medicine settings, where regulators and insurers demand controlled trial data before a therapy can be recommended or reimbursed.

The broader significance of the study lies in its methodology as much as its findings. Surveys that capture an entire licensed profession, with response data spanning nearly 29,000 invited practitioners, are rare in complementary and traditional medicine research, where evidence often rests on small case series or practitioner anecdotes. By quantifying who uses the technique, who gets burned by it, and what would make them use it more, the Korean team has converted a diffuse clinical impression into a set of actionable targets for device engineers, health insurers, and trial designers. Whether those targets are met will determine whether warm needle acupuncture remains a niche skill passed between experienced hands, or matures into a standardized, safely deliverable therapy that can be studied, insured, and exported on the same terms as any modern medical device.

Subject of Research: Clinical use, safety, and barriers to adoption of warm needle acupuncture in Korean Medicine practice

Article Title: A survey on the current clinical use and perceptions of warm needle acupuncture among Korean medicine doctors

Article References: Kim, M.-G., Sung, W.-S., Kim, E.-J., & Kim, E.-J. (2026). A survey on the current clinical use and perceptions of warm needle acupuncture among Korean medicine doctors. BMC Complementary Medicine and Therapies. https://doi.org/10.1186/s12906-026-05592-z

Image Credits: AI Generated

DOI: 10.1186/s12906-026-05592-z

Keywords: warm needle acupuncture, Korean Medicine, moxibustion, acupuncture, adverse events, medical devices, complementary medicine, nationwide survey, reimbursement, clinical practice, traditional medicine, safety

Conversion therapy, sometimes called downstaging therapy, refers to the use of systemic drugs, local regional treatments, or both, to shrink initially unresectable tumors until they become candidates for curative surgery. The concept has gained momentum in recent years as systemic treatments have improved dramatically. Combinations of anti-angiogenic targeted drugs and immune checkpoint inhibitors now achieve objective response rates of around 30 percent in advanced or unresectable hepatocellular carcinoma, while local therapies such as transarterial chemoembolization (TACE), hepatic artery infusion chemotherapy (HAIC), and radiation therapy have become more effective at reducing tumor volume and controlling tumor thrombus within blood vessels. When these approaches succeed, patients who once had no surgical option can undergo resection, and studies suggest their post-surgical survival can approach that of patients whose tumors were resectable from the start.

To understand how this evolving paradigm is actually being applied, a team led by investigators from the National Cancer Center in Beijing and the China Liver Cancer Study Group Young Investigators conducted a structured survey between January and July 2024. The researchers distributed questionnaires to physicians meeting strict criteria: they had to work at a tertiary hospital, practice in hepatobiliary surgery or interventional radiology, hold the rank of associate chief physician or above, see at least five new hepatocellular carcinoma patients per month, and serve as primary decision-makers for conversion therapy. Ultimately, 120 valid responses were collected from 79 tertiary hospitals across 20 provinces. Nearly 70 percent of respondents were hepatobiliary surgeons and the remainder were interventional radiologists, reflecting the two specialties that dominate conversion therapy decision-making in China’s disease-centered, surgery-led multidisciplinary model.

The headline finding is striking: physicians reported that approximately 51 percent of newly diagnosed patients with stage Ib to IIIa disease, according to the China Liver Cancer Staging (CNLC) system, were selected for conversion or downstaging treatment with the goal of eventual resection. The proportion was highest among patients with stage IIb and IIIa tumors, of whom 52 percent and 59 percent respectively received such treatment. In other words, more than half of newly diagnosed patients in these intermediate stages are now being routed through a treatment pathway designed to convert an impossible operation into a possible one. This represents a profound shift from a decade ago, when most of these patients would have gone directly to palliative local or systemic therapy without any surgical ambition.

Which patients do physicians choose for this aggressive approach? The survey identified three dominant factors. Portal vein tumor thrombus (PVTT)—the invasion of tumor into the main blood vessel draining the liver—was considered by 97 percent of respondents, making it the most widely weighed criterion. Future liver remnant volume, the amount of healthy liver that would remain after resection, and Child–Pugh liver function classification were each cited by 90 percent. Tumor number followed at 89 percent, with extrahepatic metastasis and tumor size each at 88 percent. When physicians rated the importance of each factor on a seven-point scale, extrahepatic metastasis and portal vein tumor thrombus received the highest weights, with 82 percent and 78 percent of relevant respondents scoring them six or above. The typical candidate for conversion therapy, according to the respondents, had Child–Pugh A liver function or well-preserved B7 function, a tumor larger than five centimeters, good performance status, and early or moderate portal vein tumor thrombus.

The prominence of portal vein tumor thrombus reveals a genuine philosophical evolution in the field. Under the Barcelona Clinic Liver Cancer (BCLC) staging system, used widely in Europe and the United States, hepatocellular carcinoma with portal vein invasion is classified as advanced stage C, and systemic therapy is recommended as the only option. Japanese guidelines take a middle path, recommending surgery when thrombus has not invaded first-order portal vein branches. Chinese guidelines classify vascular invasion as stage IIIa and list TACE with or without systemic therapy as the primary treatment, followed by surgery. Yet 72 percent of surveyed physicians considered patients with Vp1/2 thrombus—where tumor invasion remains limited—suitable for conversion therapy, reflecting what the authors describe as a shift from a narrow to a broad concept of conversion intent. The rationale is twofold: modern drug combinations can shrink both the tumor and the thrombus, facilitating complete resection, and the treatment period itself helps identify biologically aggressive tumors that would recur quickly after surgery, sparing those patients a futile operation.

When it comes to the regimens themselves, the survey found overwhelming preference for combination therapy. Approximately 73 percent of patients received a combination of local treatment with targeted therapy and immunotherapy. Within this group, 29 percent received targeted plus immunotherapy with TACE, 26 percent with HAIC, and 18 percent with both local modalities together. Only about 10 percent of physicians used systemic therapy alone. Interventional radiologists were significantly more likely than surgeons to favor quadruple combinations including both TACE and HAIC, while surgeons more often selected systemic therapy alone. The biological logic of these combinations is compelling: anti-angiogenic drugs inhibit the new vessel formation that TACE can paradoxically stimulate, while TACE itself increases expression of immune-suppressive molecules such as CTLA-4 and PD-L1, which immune checkpoint inhibitors then block, restoring anti-tumor immunity. A recent meta-analysis covering 2007 to 2024 reported conversion rates of 5 to 28 percent for systemic therapy alone, 13 to 33 percent for combined local and systemic therapy, and peaks around 35 percent for regimens combining lenvatinib, PD-1 inhibitors, and local treatment.

Drug selection showed a clear winner. Lenvatinib combined with immunotherapy was the preferred systemic backbone for 64 percent of physicians, with 49 percent using the original formulation and 13 percent using generics. The next most popular regimens—bevacizumab biosimilar with sintilimab, and bevacizumab with atezolizumab—trailed far behind at around 11 percent. Physicians explained their choices through a hierarchy of priorities: a higher objective response rate was the foremost consideration for 83 percent, followed by rapid onset of response at 68 percent, adherence to guidelines and consensus documents at 63 percent, and lower tumor progression rate at 58 percent. Lenvatinib-based regimens scored well across efficacy, safety, and practical metrics, including lower bleeding risk, shorter preoperative drug discontinuation times, and easier dose adjustment—considerations that matter enormously when the endpoint is not merely tumor control but a safe operation.

What defines success, and what happens after it? Physicians ranked R0 resectability—the ability to remove all visible tumor with clear margins—as the most important criterion for successful conversion, selected by 96 percent and weighted most heavily. Tumor thrombus regression, adequate future liver remnant volume, achievement of complete or partial radiological response, and tumor stability for more than two months followed. The survey’s estimated overall conversion success rate was approximately 32 percent, but the figure fell sharply with disease stage: 57 percent for stage Ib patients, 42 percent for stage IIa, 35 percent for stage IIb, 28 percent for stage IIIa, and just 15 percent for stage IIIb, where extrahepatic metastases make radical surgery far harder to achieve. Among patients who converted successfully, about 57 percent went on to surgery, and 79 percent of those surgical patients received postoperative adjuvant therapy, most commonly systemic treatment with targeted and immunotherapy combinations.

The authors are candid about the limitations of their work. All surveyed hospitals were tertiary referral centers, so the findings may not generalize to community hospitals. The conversion success rates reflect physician estimates rather than audited patient-level data, and the anonymous cross-sectional design precluded assessing test–retest reliability or comparing respondents with non-respondents. Still, the survey’s value lies in mapping real-world clinical attitudes at a moment when the evidence base consists largely of retrospective studies and small single-arm trials, with randomized controlled data still scarce. By documenting that over half of newly diagnosed intermediate-stage patients in China are now considered candidates for conversion therapy, and by identifying the criteria and regimens that dominate practice, the study provides a foundation for the multicenter collaboration and standardized protocols that the authors say are needed next. For a disease that kills more than 300,000 people a year in China alone, turning initially hopeless diagnoses into curative operations is a goal worth pursuing with both enthusiasm and rigor.

Subject of Research: Physician perceptions and clinical practice of conversion and downstaging therapy for hepatocellular carcinoma in China

Article Title: Physicians’ perceptions of HCC conversion/downstaging therapy: a nationwide survey among tertiary hospital physicians in China

Article References: Bi, X., Liang, X., Tan, G., Zhao, H.-T., Huang, T., Zhao, M., Chen, J., Zhu, X.-D., Xue, J., Sun, H.-C., Cai, J., & China Liver Cancer Study Group Young Investigators(CLEAP) (2026). Physicians’ perceptions of HCC conversion/downstaging therapy: a nationwide survey among tertiary hospital physicians in China. Holistic Integrative Oncology, 5(1), Article 37. https://doi.org/10.1007/s44178-026-00256-x

Image Credits: AI Generated

DOI: 10.1007/s44178-026-00256-x

Keywords: hepatocellular carcinoma, conversion therapy, downstaging, portal vein tumor thrombus, liver cancer, lenvatinib, immunotherapy, TACE, HAIC, surgical resection, China, nationwide survey

The trigger for the Italian commentary was an earlier article in the same journal, in which Womack-Martenson and colleagues reported on providers’ perceptions of neonatal back transport in the United States, documenting both how often it occurs and the barriers that clinicians encounter when organizing it. Bellini and his co-authors, Maurizio Gente, Francesca Catani, and Maria del Carmen Rodriguez Perez, responded by sharing insights drawn from Italy’s own experience, where neonatal transport services have been organized at a national level for years and where the practice of returning recovering infants to referring hospitals is formally embedded in regional care networks.

The numerical core of the Italian contribution comes from a recent nationwide survey conducted by the Neonatal Transport Study Group. That survey, published in the journal Children in 2025 under the title describing the organization and activities of neonatal emergency transport in Italy, revealed that approximately 8.5 percent of all neonatal transports in the country involve back transport. This figure aligns closely with the results of a previous national survey, published in the Italian Journal of Pediatrics in 2019, which reported a rate of 9.4 percent. The near-identical values across two survey waves, conducted years apart, suggest that the frequency of back transport in Italy has remained remarkably stable over time.

That stability, the authors argue, is itself informative. It indicates that back transport is not an occasional logistical exception but a consistent, structural component of regionalized neonatal care. In a system where the sickest infants are concentrated in high-level intensive care units regardless of where they are born, a predictable fraction of those infants will eventually be well enough to continue convalescence in a level two unit nearer their families. The Italian data suggest that this fraction hovers at roughly one in twelve of all neonatal transports, a proportion large enough to warrant dedicated planning, standardized protocols, and dedicated resources rather than ad hoc arrangements.

The technical logic of back transport rests on the same principles that govern emergency retrieval, only in reverse. A convalescing infant may still require respiratory support, monitored thermal care, enteral or parenteral nutrition, and continuous observation of vital signs during the journey. The transport environment, whether a specially equipped ambulance or another vehicle configured for neonatal care, must therefore replicate a meaningful subset of the intensive care unit’s capabilities. Teams must anticipate the physiological stresses of movement, including changes in ambient pressure and vibration, the difficulty of performing procedures in a confined space, and the need to secure airways, vascular access, and equipment against the forces of acceleration and braking. Although the infant is by definition stable enough to travel, the margin for error is narrow, and the organization of the transfer determines whether the journey is a routine step in recovery or an avoidable hazard.

Bellini and colleagues emphasize that these operational realities make standardized definitions and organizational policies essential. Without a shared, precise definition of what constitutes back transport, health systems cannot measure it accurately, compare their performance across regions, or plan capacity. The Italian study group has worked for years on exactly this problem, producing national recommendations for the organization of the neonatal emergency transport service, most recently in a second edition published by the Italian Society of Neonatology in 2021. Those recommendations formalize how transport teams are staffed, how vehicles are equipped, how communication between the sending and receiving units is managed, and how the specific needs of convalescing infants differ from those of infants being retrieved in emergencies.

The Italian context is particularly instructive because of the country’s deliberate regionalization of perinatal care. Over the past decades, Italy has concentrated the care of the smallest and sickest newborns in tertiary intensive care units while maintaining a network of level two units in community hospitals. Research by the same group, published in Acta Paediatrica in 2017, examined the impact of this regionalization on transporting neonatal patients back from intensive care units to referring level two units, finding that the structure of the regional network directly shapes how often and how smoothly these return journeys happen. In a well-regionalized system, back transport is the natural mechanism by which scarce intensive care beds are freed for new emergencies while infants reconnect with their local communities and families earlier in the recovery process.

The benefits of this model extend beyond bed management. Prolonged stays in distant tertiary centers impose well-recognized burdens on families, including travel costs, separation from siblings and support networks, and the psychological strain of having a newborn hospitalized far from home. Returning a convalescing infant to a nearby unit restores proximity at a stage when bonding, breastfeeding establishment, and family participation in care become central to long-term outcomes. At the same time, the referring hospital regains the opportunity to complete the care it initiated, reinforcing clinical continuity and keeping community-level neonatal skills sharp. Back transport, in this light, is not merely a reverse ambulance ride but a deliberate act of care coordination that closes the loop opened by the original emergency retrieval.

Yet the American study that prompted the Italian response highlights that the practice faces persistent barriers. Providers reported obstacles ranging from unclear criteria for when an infant is ready to travel, to difficulties arranging appropriate vehicles and staff, to ambiguities over which service is responsible for the journey. The Italian authors’ contribution is to show that such barriers are not inevitable. A system that treats back transport as an integral, measured, and governed component of neonatal care, with national recommendations, dedicated study groups tracking activity through repeated surveys, and explicit organizational policies, can sustain a stable back transport rate over many years. The consistency of the Italian figures, at 8.5 percent in the most recent survey against 9.4 percent in the earlier one, functions as indirect evidence that institutionalized processes produce predictable practice.

The broader message for the international neonatal community is that the full lifecycle of neonatal transport, from emergency retrieval to convalescent return, should be designed, measured, and resourced as a single continuum. As regionalized perinatal networks expand in many countries, the volume of back transport will grow in proportion, and systems that lack standardized definitions and policies will accumulate the same frictions documented among American providers. The Italian experience, distilled in this correspondence, suggests a practical template: define the activity precisely, survey it nationally on a recurring basis, embed it in formal recommendations, and treat the return journey as an essential link in the chain of care rather than an afterthought. For the infants concerned, the difference between an improvised transfer and a well-orchestrated one is measured in safety, comfort, and how soon they finally arrive home.

Subject of Research: Neonatal back transport of convalescing infants within regionalized perinatal care networks

Article Title: Neonatal transport for convalescing infants

Article References: Bellini, C., Gente, M., Catani, F., Rodriguez Perez, M. D. C., & on behalf of Neonatal Transport Study Group of the Italian Society of Neonatology (2026). Neonatal transport for convalescing infants. Journal of Perinatology. https://doi.org/10.1038/s41372-026-02909-1

Image Credits: AI Generated

DOI: 10.1038/s41372-026-02909-1

Keywords: neonatal transport, back transport, convalescing infants, neonatal intensive care, regionalized care, Italian Society of Neonatology, Journal of Perinatology, nationwide survey, health care organization, level two units, transport teams, perinatal networks

The weighted prevalence of probable internet gaming disorder in the sample was 1.3 percent, a figure that reflects the criteria of the ten-item Internet Gaming Disorder Test, a validated instrument based on the nine DSM-5 diagnostic criteria. While that percentage may appear modest, applied across an entire national population it translates into hundreds of thousands of individuals whose gaming has become impairing, characterized by impaired control, escalating priority given to gaming, and continuation despite negative consequences. Understanding who is most vulnerable, and why, has therefore become a pressing public health question as digital games continue to dominate leisure time across every age group.

The research team, led by Norio Sugawara of Dokkyo Medical University School of Medicine together with Takahiro Tabuchi of Tohoku University Graduate School of Medicine and colleagues, measured ADHD symptoms using the Japanese version of the six-item Adult ADHD Self-Report Scale, a brief screening tool aligned with DSM-5 diagnostic criteria. Loneliness was captured with the three-item short form of the UCLA Loneliness Scale version 3, while social isolation was assessed with the Lubben Social Network Scale, an instrument that quantifies the size and quality of a person’s social network. By measuring these constructs separately, the investigators were able to distinguish between two conditions that are often conflated: the internal, subjective experience of feeling lonely, and the objective structural state of having few social ties.

That distinction proved crucial. Compared with participants who experienced both loneliness and social isolation, those who had neither condition, and those who were socially isolated but not lonely, had lower odds of probable internet gaming disorder. Strikingly, participants who reported loneliness without social isolation had higher odds. In other words, a person can be surrounded by people, embedded in a family, a workplace, or a community, and still feel profoundly alone, and it is precisely this felt absence of connection that appears most strongly linked to problematic gaming when combined with ADHD symptoms.

The implications reach deep into the theoretical literature on addictive behaviors. The Interaction of Person-Affect-Cognition-Execution model proposes that internet-use disorders emerge from the interplay between an individual’s predisposing characteristics, their affective state, their cognitive appraisals, and their executive control over behavior. ADHD symptoms supply the person-level vulnerability: impulsivity, attentional difficulties, and a preference for immediate rewards, all of which align with the rapid feedback loops and variable reinforcement schedules built into modern game design. Loneliness supplies the affective vulnerability: an unmet need for social connection that games, with their guilds, chat systems, and cooperative objectives, can appear to satisfy.

Previous research has consistently documented the link between ADHD and gaming disorder, including systematic reviews spanning adolescent cohorts in Korea, prevalence studies in Germany and China, and meta-analyses of gender-related differences in specific internet addictions. What has been missing is population-level evidence clarifying the social mechanisms that modify this risk. A 2024 systematic review and meta-analysis found elevated loneliness among young people with ADHD, and earlier work by Stickley and colleagues demonstrated that ADHD symptoms are associated with loneliness among adults in the general population. The new Japanese study closes the loop by showing that these two well-established associations intersect: ADHD symptoms raise gaming risk most sharply in people who feel lonely but remain socially embedded.

The stratified analyses added another layer of nuance, revealing significant effect modification by sex and by the combined loneliness and social isolation status. This means the relationship between ADHD symptoms and problematic gaming is not uniform across the population. It differs between men and women, consistent with prior meta-analytic evidence that men are more prone to gaming-specific addiction while women’s problematic internet use more often centers on social media. It also differs across the four combinations of loneliness and social isolation, underscoring that clinicians and researchers who treat these constructs as interchangeable may misidentify who is genuinely at risk.

Methodologically, the study leveraged data from a large nationwide internet survey administered to an internet research panel, with participants compensated through redeemable points. The cross-sectional design was strengthened by inverse probability weighting and propensity score techniques to reduce bias, and psychological distress was screened with the Kessler Psychological Distress Scale, whose Japanese versions have demonstrated strong performance in the World Mental Health Survey Japan. The survey protocol received approval from the Ethics Committee of the Graduate School of Medicine at Tohoku University, and all participants provided online informed consent in accordance with the Declaration of Helsinki and Japanese ethical guidelines for medical research involving human subjects.

As with any cross-sectional analysis, causality cannot be established. It is possible that ADHD symptoms drive excessive gaming, which in turn erodes real-world relationships and deepens loneliness; it is equally plausible that lonely individuals with ADHD turn to games as a compensatory source of stimulation and belonging, or that problematic gaming itself generates feelings of disconnection. The authors emphasize that their findings identify associations and risk contexts rather than proven causal pathways, and longitudinal designs will be needed to disentangle the direction of these relationships. The data also derive from an online panel, which may underrepresent individuals with the most severe disconnection from digital and social life.

Even so, the practical implications are immediate. Screening for problematic gaming in adolescents and adults should not stop at impulsivity checklists; it should also ask how connected people feel, not merely how many people they know. Interventions that build genuine social connection, whether through school-based social skills programs for students with ADHD, community support groups, or family-based approaches, may simultaneously reduce loneliness and blunt the pull of gaming as a substitute for belonging. Conversely, simply increasing contact with others, without addressing the felt quality of those relationships, may leave the most dangerous risk profile untouched. As the researchers conclude, identifying individuals at risk for problematic gaming requires attention both to neurodevelopmental traits and to the nuanced, sometimes invisible texture of their social experience, a message that resonates far beyond Japan’s borders in an era when so many people report being connected, yet lonely.

Subject of Research: The association between ADHD symptoms, loneliness, social isolation, and internet gaming disorder in a nationwide Japanese sample

Article Title: ADHD Symptoms and Loneliness in Internet Gaming Disorder: A Nationwide Study in Japan

Article References: Sugawara, N., Tabuchi, T., Tokumitsu, K., & Yasui-Furukori, N. (2026). ADHD Symptoms and Loneliness in Internet Gaming Disorder: A Nationwide Study in Japan. International Journal of Mental Health and Addiction. https://doi.org/10.1007/s11469-026-01726-z

Image Credits: AI Generated

DOI: 10.1007/s11469-026-01726-z

Keywords: ADHD symptoms, internet gaming disorder, loneliness, social isolation, nationwide survey, behavioral addiction, DSM-5 criteria, IGDT-10, UCLA Loneliness Scale, Lubben Social Network Scale, Japan, public health

The Rutgers study, published in the esteemed journal Criminology, delves into the behavioral ramifications of GLP-1 receptor agonist usage among adults in the United States. This groundbreaking investigation focused on whether these medications could attenuate the well-documented links between impulsivity, alcohol consumption, and violent behavior—an intersection of psychological and physiological domains rarely explored in pharmacological research. Given the increasing prevalence of GLP-1 usage, understanding these potential secondary effects holds substantial public health significance.

Researchers employed data gathered from a 2025 nationwide survey encompassing over 7,500 U.S. adults, narrowing their primary analysis to a subgroup of 821 individuals who had a history of GLP-1 medication use. This cohort was meticulously categorized into current versus former users to discern if ongoing GLP-1 receptor activity correlates with measurable differences in violent behavior frequency. Violent behavior metrics were derived from validated self-reported scales encompassing acts ranging from physical fights and assaults to more severe offenses like robbery, allowing for a comprehensive behavioral profile aligned with criminological standards.

A pivotal discovery from the analysis was the pronounced moderation of the relationship between impulsivity and violent conduct among current GLP-1 users. The data revealed that the association strength between impulsivity—a critical psychological trait linked to poor decision-making and aggression—and violent actions was reduced by approximately 62% in active GLP-1 users compared to those who had discontinued use. Such a substantial attenuation suggests that GLP-1 receptor agonists may exert neurobehavioral effects that temper impulsive drives which frequently precipitate violent acts.

Complementing these results, the study also examined the interplay between alcohol consumption, impulsivity, and violence. Alcohol’s role as a disinhibitor and amplifier of aggressive tendencies is well established. Among current GLP-1 medication users, the correlation between alcohol intake and violent behavior was notably diminished, showing around a 52% reduction in association strength relative to former users. While these findings were somewhat less consistent across different analytic models, they broadly indicate that GLP-1 receptor agonists might mitigate alcohol’s exacerbation of violent impulses, potentially via neurochemical or systemic pathways that modulate inhibitory control.

The underlying neural mechanisms posited by researchers revolve around the interplay of GLP-1 receptor activation within the central nervous system. GLP-1 receptors are expressed not only peripherally but also in brain regions implicated in impulse control, reward processing, and executive functions, such as the prefrontal cortex and limbic structures. Activation of these receptors could conceivably influence neurotransmitter systems including dopamine and serotonin pathways, which are integral to regulating mood, impulse control, and aggression. This neuropharmacological modulation may resemble cognitive behavioral therapy in effect — attenuating the translation of impulsive urges into violent actions without necessarily eradicating impulsivity itself.

Daniel Semenza, lead author and director of research at the New Jersey Gun Violence Research Center, underscored the public safety implications of these findings. With GLP-1 drugs increasingly prescribed globally, it is paramount to deepen scientific understanding of their broader psychobehavioral consequences. Exploring how these medications might serve dual roles in metabolic regulation and behavioral modulation opens new vistas in the multidisciplinary fields of medicine, psychology, and criminology. Such knowledge could inform clinical decisions and policies aimed at reducing violence, a persistent societal challenge with profound public health ramifications.

Nevertheless, the authors caution that the study’s observational, cross-sectional nature precludes definitive causal inferences. While associations are compelling, longitudinal and experimental research designs are essential to elucidate temporal dynamics and confirm whether GLP-1 receptor agonists actively reduce violence risk or if the observed correlations reflect confounding factors. Future studies integrating neuroimaging, pharmacokinetics, and behavioral assessments could unravel the precise biological and psychological pathways mediating these effects.

Christopher Thomas, coauthor and assistant professor at Rutgers University-Camden, highlighted the similarity between the behavioral influences observed and therapeutic interventions like cognitive behavioral therapy. Such parallels suggest that GLP-1 receptor agonists may have untapped potential as adjunctive treatments for impulse control disorders or behavioral problems characterized by aggression. Their dual metabolic and psychobehavioral actions could redefine therapeutic strategies for complex patients with overlapping physiological and psychiatric needs.

Moreover, understanding these effects could broaden the scope of violence prevention frameworks. If GLP-1 receptor agonists contribute to weaker links between impulsivity, substance use, and violent behavior, integrating pharmacotherapy with social and psychological interventions might amplify public safety outcomes. This intersection of neurobiology and criminology exemplifies the innovative, interdisciplinary research needed to address entrenched societal issues.

In summary, the Rutgers study furnishes compelling preliminary evidence that GLP-1 receptor agonist medications, beyond their established metabolic benefits, may significantly dampen the behavioral pathways leading from impulsivity and alcohol consumption to violence. These findings urge a paradigm shift toward holistic evaluation of drug effects encompassing neural, behavioral, and social domains. As the prescribing landscape for GLP-1 medications continues to expand, vigilant research and nuanced understanding will be critical to harnessing their full therapeutic potential while safeguarding public health.

Subject of Research: People
Article Title: GLP-1 receptor agonist use and violent crime among US adults
News Publication Date: 17-Jun-2026
Keywords: Violence, Drug therapy, Weight loss, Mental health