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OBJECTIVE: Older adults have heterogeneous aging rates. Here, we explored the impact of biological age (BA) and accelerated aging on frailty in community-dwelling older adults. METHODS: We assessed 735 community-dwelling older adults from the Coyocan Cohort. BA was measured using AnthropoAge, accelerated aging with AnthropoAgeAccel, and frailty using both Fried's phenotype and the frailty index. We explored the association of BA and accelerated aging (AnthropoAgeAccel ≥0) with frailty at baseline and characterized the impact of both on body composition and physical function. We also explored accelerated aging as a risk factor for frailty progression after 3-years of follow-up. RESULTS: Older adults with accelerated aging have higher frailty prevalence and indices, lower handgrip strength and gait speed. AnthropoAgeAccel was associated with higher frailty indices (ß=0.0053, 95%CI 0.0027-0.0079), and increased odds of frailty at baseline (OR 1.16, 95%CI 1.09-1.25). We observed a sexual dimorphism in body composition and physical function linked to accelerated aging in non-frail participants; however, this dimorphism was absent in pre-frail/frail participants. Accelerated aging at baseline was associated with higher risk of frailty progression over time (OR 1.74, 95%CI 1.11-2.75). CONCLUSIONS: Despite being intertwined, biological accelerated aging is largely independent of frailty in community-dwelling older adults.

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Despite being the most cost-effective tobacco control policy, tobacco taxation is the least implemented component of the World Health Organization MPOWER package to reduce smoking worldwide. In Mexico, both smoking prevalence and taxation have remained stable for more than a decade. This study aims to provide evidence about the potential effects of taxation to reduce the burden of tobacco-related diseases and the main attributable social costs in Mexico, including informal (unpaid) care costs, which are frequently ignored. We employ a first-order Monte Carlo microsimulation model that follows hypothetical population cohorts considering the risks of an adverse health event and death. First, we estimate tobacco-attributable morbidity and mortality, direct medical costs and indirect costs, such as labour productivity losses and informal care costs. Then, we assess the potential effects of a 50% cigarette price increase through taxation and two alternative scenarios of 25% and 75%. The inputs come from several sources, including national surveys and vital statistics. Each year, 63 000 premature deaths and 427 000 disease events are attributable to tobacco in Mexico, while social costs amount to MX$194.6 billion (US$8.5)-MX$116.2 (US$5.1) direct medical costs and MX$78.5 (US$3.4) indirect costs-representing 0.8% of gross domestic product. Current tobacco tax revenue barely covers 23.3% of these costs. Increasing cigarette prices through taxation by 50% could reduce premature deaths by 49 000 over the next decade, while direct and indirect costs averted would amount to MX$87.9 billion (US$3.8) and MX$67.6 billion (US$2.9), respectively. The benefits would far outweigh any potential loss even in a pessimistic scenario of increased illicit trade. Tobacco use imposes high social costs on the Mexican population, but tobacco taxation is a win-win policy for both gaining population health and reducing tobacco societal costs.

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BACKGROUND: Mexico is under-represented in global neurosurgical research. High-income countries represent roughly 10% of the world's population but utilize about 90% of the research funding for medical research, highlighting the need for promoting research initiatives in low- and middle-income countries. We present an online-based research initiative in Mexico that aims to reduce the research gap in neurosurgery. METHODS: Implemented in early 2023, our online-based research initiative included weekly modules covering study types, statistical analysis, meta-analysis, and scientific writing. The first cohort of 22 students completed the 12-week program and then served as tutors for subsequent cohorts. The research model was promoted via word of mouth and social media platforms to medical students, graduates, and specialists across Latin America. Post-program, tutors and the author conducted weekly planning sessions to assist with project planning, analysis, and article writing. RESULTS: From 833 registrations, over 800 students completed at least 1 training module. The program published 7 articles and presented 12 abstracts at major international neurosurgical meetings. We performed a bibliographic analysis in PubMed and found that from 2021 to 2022, 33,637 neurosurgical articles were published, with 197 involving collaboration from Mexico (0.5%). From 2023 to 2024, 24,121 articles were published, with 205 involving collaboration from Mexico (0.8%), a significant increase (P < 0.001). Our collaboration contributed to 3.4% of these, representing a significant addition in 2023-2024 (P = 0.026). CONCLUSIONS: This online-based neurosurgical model contributed to 3.4% of the neurosurgical research productivity in Mexico. Our findings suggest that this model can effectively bridge the research gap and enhance scientific contributions in developing countries.

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It is critical to address hepatitis C virus (HCV) in carceral settings to achieve worldwide elimination of the virus. We describe New Mexico's (NM) experience expanding HCV treatment in state prisons, supplemented with Project ECHO (ECHO; virtual mentorship through guided practice) and the NM Peer Education Program (NMPEP). We describe how using these programs may be a model for expanding treatment in prisons globally. ECHO, NM Corrections Department (NMCD) and Wexford Health Services (WHS) collaborate to treat HCV in state prisons and increase HCV knowledge among incarcerated persons using NMPEP. Each person arriving in prison is tested for HCV and those with active infection receive baseline labs, which are reviewed. Patients not meeting criteria for simplified treatment are presented to ECHO for expert guidance. Otherwise, patients are treated by WHS without consultation. NMPEP provides patient-to-patient education in prisons, addressing HCV myths and exploring treatment refusals. From December 2020 to June 2023, 3603 people had HCV viremia. In this study, 1685 people started treatment: 1280 were treated using the simplified algorithm and 405 were presented to ECHO. Of the 988 people who completed treatment and had sustained virologic response (SVR) labs drawn, 89.2% achieved SVR (i.e., cure). Most of the 107 people who did not achieve SVR had presumed reinfection. NMPEP trained 148 peer educators who educated 3832 peers about HCV prevention and treatment. HCV treatment in prisons can be expanded by implementing simplified treatment algorithms, use of the ECHO model for patients with advanced disease and peer education.

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Background: Cladribine shows efficacy in multiple sclerosis (MS), but Latin American (LATAM) real-world data is limited, despite potential sociodemographic variations. Objective: Investigate baseline characteristics and clinical response in highly active MS patients in Mexico, identifying predictors of early treatment response. Method: A multicenter cohort study analyzed retrospective data from individuals with "highly active" MS in the Cladribine Patient Support Program across 11 Mexican clinics. Criteria included one-year prior treatment with another disease-modifying treatment and recent relapse with specific MRI findings. Primary outcomes focused on achieving NEDA-3 status after 12 months. Results: In the follow-up, 67.5% maintained NEDA-3 status. Baseline EDSS scores decreased significantly from 1.50 to 1.00 (p = 0.011), with no confirmed disability worsening. No significant differences were observed between NEDA-3 achievers and non-achievers in demographic and clinical variables. No severe adverse events were reported. Conclusion: Cladribine showed early and effective control of active MS in Mexican patients, demonstrating a secure profile with minimal adverse events. This study provides valuable real-world evidence in the LATAM context.

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Suicide negatively impacts societies worldwide. A particular area of concern is the prevalence of suicide among Latinx youth, as research indicates that suicide behaviors among Latinx in the United States and youth in Latin America have increased drastically over the last decade. Reducing suicide stigma is a key factor in promoting youth help-seeking behaviors regarding suicidality. Previous research suggests that a relationship with a trusted adult may influence the likelihood of an adolescent contacting a suicide crisis line. Our study seeks to further the research of how parents can influence youth perceptions of suicide by studying the relationship between parent and child suicide stigma. Data were collected from parent-child dyads throughout Mexico. The Stigma of Suicide Scale Short Form was used to measure suicide stigma among adult and youth participants independently. Results suggest that parent suicide stigma was a significant predictor of youth suicide stigma, that male youth in our sample had higher suicide stigma than female youth, and that access to healthcare services was associated with lower suicide stigma. Results are discussed considering unique cultural factors in Mexico such as familismo. If future research reinforces the findings of this study, suicide stigma programs might be more effective if targeted at the entire family unit rather than just adolescents.

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Over the last forty years an indeterminate number of persons, ranging from thousands to tens of thousands, have died along the US-Mexico border during migration, fleeing poverty, armed conflict, situations of violence, and disasters. An accurate accounting of migrant deaths along the southern US border is the first step toward an understanding of the extent and the contributing factors of these deaths. In this article, we describe a key aspect of our collaborative work aimed at developing a more representative account of migrant mortality along the southwestern US border: the determination of criteria for inclusion of specific forensic cases as "migrant." Our intention is not to propose a definition of "what is a migrant death" applicable to all contexts and situations but rather one specific to the US-Mexico border region. Our main impetus is to build and launch a web portal to track and map migrant deaths at the US-Mexico border. The criteria we have identified are based on an examination of death data collected by various agencies in the four border states (California, Arizona, New Mexico, and Texas) and at the federal level by the National Missing and Unidentified Persons System (NamUs). They include a) context of human remains discovery; b) identification media/documentation; c) geographic setting; and d) personal effects. Taken together, these criteria will facilitate our determination, case by case, of the probability that human remains found along the United States side of the border may be from a person in the context of migration.

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Lung transplantation is the gold standard therapy for patients in the end stages of pulmonary disease. However, in numerous countries, candidates for lung transplants often die on the waiting list due to a shortage of donors and limited access to transplant centers. This article delves into the experience of our hospital, Christus Muguerza in Monterrey, Mexico, as the sole active lung transplant program in the country, having conducted 35 transplants from August 2017 to March 2023. We discuss the actual situation of lung transplantation in Mexico and the challenges we have faced over time, such as late patient referrals for evaluation and eventual transplantation. In addition, we outline the challenges we anticipate as more transplant programs emerge in the country.

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BACKGROUND: Mosquito-borne diseases, such as malaria, dengue, Zika and chikungunya, pose significant public health threats in tropical and subtropical regions worldwide. To mitigate the impact of these diseases on human health, effective vector surveillance and control strategies are necessary. Traditional vector control methods, which rely on chemical agents such as insecticides and larvicides, face challenges such as resistance and environmental concerns. Consequently, there has been a push to explore novel surveillance and control tools. Mass trapping interventions have emerged as a promising and environmentally friendly approach to reducing the burden of mosquito-borne diseases. This study assessed mass-trapping interventions using autocidal gravid ovitraps (AGOs) on Aedes aegypti populations in Reynosa, Tamaulipas, Mexico. METHODS: Four neighborhoods were selected to evaluate the effects of three treatments: AGO mass-trapping, integrated vector control (IVC), which included source reduction and the application of chemical larvicide and adulticide, and AGO + IVC on Ae. aegypti populations. A control area with no interventions was also included. The effectiveness of the interventions was evaluated by comparing Ae. aegypti abundance between the pre-treatment period (9 weeks) and the post-treatment period (11 weeks) for each treatment. RESULTS: Only treatment using AGO mass trapping with an 84% coverage significantly reduced Ae. aegypti female populations by 47%, from 3.75 ± 0.32 to 1.96 ± 0.15 females/trap/week. As expected, the abundance of Ae. aegypti in the control area did not differ from the pre- and post-treatment period (range of 4.97 ± 0.59 to 5.78 ± 0.53); Ae. aegypti abundance in the IVC treatment was 3.47 ± 0.30 before and 4.13 ± 0.35 after, which was not significantly different. However, Ae. aegypti abundance in the AGO + IVC treatment increased from 1.43 ± 0.21 before to 2.11 ± 0.20 after interventions; this increase may be explained in part by the low AGO (56%) coverage. CONCLUSIONS: This is the first report to our knowledge on the effectiveness of mass-trapping interventions with AGOs in Mexico, establishing AGOs as a potential tool for controlling Ae. aegypti in Northeastern Mexico when deployed with sufficient coverage.

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In Mexico, 1 out of 3 schoolchildren aged 5 to 11 years is overweight or obese, which represents one of the main public health concerns, due to the fact that this condition in the child population is highly associated with the development of metabolic complications in adults. To date, dietary and physical activity interventions to prevent this problem have shown modest results worldwide. Biomedical studies in Mexico have shown that the pathophysiology of childhood overweight and obesity presents different molecular patterns, inflammation and oxidative stress, possibly associated with specific variants in the genome. However, the challenge is to achieve a secure characterization of this evidence so that it can be used in intervention studies aimed to improve the ability to predict and treat childhood overweight and obesity in Mexico. The biomedical challenge is to make knowledge a prevention strategy in families, in society and in the country, in order to fight the serious problem of obesity and its consequences.

En México 1 de cada 3 escolares de 5 a 11 años presenta sobrepeso u obesidad, lo cual representa una de las principales preocupaciones de salud pública, debido a que en la población infantil este padecimiento se asocia altamente con el desarrollo de complicaciones metabólicas en el adulto. Hasta el momento las intervenciones dietéticas y de actividad física para prevenir este problema han mostrado resultados modestos a nivel mundial. Los estudios biomédicos en México han demostrado que la fisiopatología del sobrepeso y la obesidad infantil presenta diferentes patrones moleculares, de inflamación y de estrés oxidativo, posiblemente asociados a variantes específicas en el genoma. Sin embargo, el reto es lograr la caracterización segura de estas evidencias para que sea posible emplearlas en los estudios de intervención encaminados a mejorar la capacidad de predicción y tratamiento del sobrepeso y la obesidad infantil en México. El reto biomédico es hacer del conocimiento una estrategia de prevención en las familias, en la sociedad y en el país, a fin de combatir el grave problema de la obesidad y sus consecuencias.

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Background: Obesity creates a burden of disease that affects the health-related quality of life (HRQoL) of women and in those between 20 to 59 years of age it implies greater morbidity and mortality compared to men or other age groups. Objective: To evaluate the HRQoL of Mexican women aged 20 to 59 years with obesity. Material and methods: Observational, cross-sectional, prospective, and retrospective study. It was obtained a sample of 104 women from 20 to 59 years of age diagnosed with obesity according to the NOM-008-SSA3-2017 Standard. The participants' main clinical and sociodemographic characteristics were collected, and their HRQoL was evaluated with the SF-36 questionnaire. For the analysis of the collected variables, descriptive statistics were used. To identify the association of these variables with HRQoL, the Kruskal-Wallis test was used. Results: 104 women with a median age of 40.0 years participated. Of these, 66.3% had grade I obesity, 21.2% grade II, and 12.5% grade III. In the overall sample, general health and vitality were the lowest dimensions. In the comparison by groups, the physical role and the emotional role had statistically significant differences (p = 0.007 and p = 0.009, respectively), with the most affected group being obesity grade II. Conclusions: Obesity mainly affected the perception of general health and vitality; likewise, those with grade II had a greater impact on the physical role and the emotional role.

Introducción: la obesidad crea una carga de enfermedad que afecta la calidad de vida relacionada con la salud (CVRS) de las mujeres y en aquellas de 20 a 59 años implica una mayor morbilidad y mortalidad respecto a los hombres u otros grupos etarios. Objetivo: evaluar la CVRS de mujeres mexicanas de 20 a 59 años con obesidad. Material y métodos: estudio observacional, transversal, prospectivo y retrolectivo. Se obtuvo una muestra de 104 mujeres de 20 a 59 años, diagnosticadas con obesidad según la NOM-008-SSA3-2017. Se recabaron las principales características clínicas y sociodemográficas de las participantes y se evaluó su CVRS con el cuestionario SF-36. Para analizar las variables recogidas, se usó estadística descriptiva. Para identificar la asociación de estas variables con la CVRS, se usó la prueba Kruskal-Wallis. Resultados: participaron 104 mujeres con una mediana de edad de 40.0 años. De estas, 66.3% tuvieron obesidad grado I, 21.2% grado II y 12.5% grado III. En la muestra general, la salud general y la vitalidad fueron las dimensiones más bajas. En la comparación por grupos, el rol físico y el rol emocional tuvieron diferencias estadísticamente significativas (p = 0.007 y p = 0.009, respectivamente), y el grupo más afectado fue el de obesidad grado II. Conclusiones: la obesidad afectó principalmente la percepción de la salud general y de la vitalidad; asimismo, aquellas con grado II tuvieron una mayor repercusión en los roles físico y emocional.

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Background: Systemic lupus erythematosus (SLE) is a chronic autoimmune disease that can affect multiple organs and body systems. Objective: To describe the sociodemographic, clinical, and biochemical characteristics of the Lupus-IMMS-Mexico (LUPUS-IMMex) patient cohort from a tertiary-level center. Material and methods: Observational descriptive study of 160 patients with diagnosis of SLE belonging to the aforementioned cohort. Various variables were analyzed at the time of diagnosis. For quantitative variables, normality tests were applied, followed by measures of central tendency and dispersion according to their distribution. For categorical variables, frequencies and percentages were calculated. Results: 81.87% of the patients were female, with a median age at diagnosis of 28 years. 18.12% had a family history of SLE, and concurrently with SLE, 32.50% had hypertension, and 11.25% had antiphospholipid syndrome. The most common clinical manifestation was joint involvement (68.12%), renal (49.37%) and hematological (43.75%) manifestations. Conclusions: SLE affects millions globally. Lack of awareness leads to delayed diagnoses, suboptimal management, and diminished quality of life. After analyzing 160 patients with SLE, their clinical, socioeconomic, and therapeutic characteristics are largely like other cohorts, with differences attributable to ethnic and geographical influences. Informing patients about SLE and providing reliable resources are essential for self-care. Awareness promotes research, therapies, and enhances medical care and the lives of patients globally.

Introducción: el lupus eritematoso sistémico (LES) es una enfermedad autoinmunitaria crónica que puede afectar a múltiples órganos y sistemas del cuerpo. Objetivo: describir las características sociodemográficas, clínicas y bioquímicas de la cohorte de pacientes Lupus-IMMS-México (LUPUS-IMMex) de un hospital de tercer nivel. Material y métodos: estudio descriptivo observacional de 160 pacientes con diagnóstico de LES de la cohorte mencionada. Se analizaron diversas variables al momento del diagnóstico. Para variables cuantitativas se aplicaron pruebas de normalidad y posteriormente medidas de tendencia central y dispersión de acuerdo con su distribución. Para variables categóricas se calcularon frecuencias y porcentajes. Resultados: 81.87% de los pacientes fueron del sexo femenino, con mediana de edad al diagnóstico de 28 años. El 18.12% tenían antecedentes familiares de LES y concomitante al LES, hipertensión (32.50%) y síndromes antifosfolípidos (11.25%). Las afecciones clínicas más frecuentes fueron la articular (68.12%), la renal (49.37%) y la hematológica (43.75%). Conclusiones: el LES afecta a millones de personas globalmente. La falta de conciencia lleva a diagnósticos tardíos, manejo deficiente y baja calidad de vida. Tras analizar 160 pacientes con LES, sus características clínicas, socioeconómicas y terapéuticas son mayormente similares a otras cohortes, con diferencias atribuibles a influencias étnicas y geográficas. Informar a los pacientes sobre el LES y brindar recursos confiables es esencial para el autocuidado. La sensibilización fomenta la investigación, las terapias y mejora la atención médica y la vida de pacientes a nivel global.

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BACKGROUND: The WHO presented the initiative: "Global elimination of congenital syphilis (CS): rationale and strategies for action". It establishes that CS is a preventable disease that can be eliminated. OBJECTIVE: To estimate the proportion of missed opportunities for prevention (MOP) of (CS). MATERIAL AND METHODS: Cross-sectional study. We studied women with children with confirmed diagnosis of CS (NOM-039-SSA2-2002) in the Mexican Social Security Institute in Jalisco from 01/01/2016 to 08/01/2022. The clinical records of the mother, the newborn and the epidemiological study (ES) were reviewed. Each case was classified into one of the MOP categories. RESULTS: 52 cases were reported: 46.2 % (n = 24) were ruled out, 34.6 % (n = 18) confirmed, 15.4 % (n = 8) unknown and 3.8 % (n = 2) probable cases. The HIV test was performed in 61.1 % (n = 11) and syphilis in 72.2 % (n = 13) of the mothers. The MOP in 27.8 % (n = 5) was inadequate treatment or omission of maternal treatment despite a timely diagnosis of syphilis. Treatment was inadequate in 63.6 % (n = 7) of the women who received it. CONCLUSION: The classification of MOP identifies gaps in CS prevention and can guide stakeholders, policy makers and public health prevention programs to reduce the incidence of CS.

ANTECEDENTES: La Organización Mundial de la Salud estableció que la sífilis congénita es una enfermedad prevenible que puede eliminarse. OBJETIVO: Estimar la proporción de oportunidades perdidas en la prevención (OPP) de la sífilis congénita. MATERIAL Y MÉTODOS: Estudio transversal descriptivo. Se eligieron mujeres en cuyos hijos recién nacidos se identificó sífilis congénita entre 2016 y 2022. Se revisaron los expedientes clínicos de la madre, el recién nacido y el estudio epidemiológico. Cada caso se clasificó en una de las categorías de las OPP. RESULTADOS: Se notificaron 52 casos: 46.2 % (n = 24) fue descartado, 34.6 % (n = 18) confirmado, 15.4 % (n = 8) desconocido y 3.8 % (n = 2) probable. Las pruebas para identificar infección por VIH y sífilis se realizaron en 61.1 % (n = 11) y 72.2 % de las madres (n = 13). La OPP en 27.8 % (n = 5) consistió en el tratamiento inadecuado u omisión de tratamiento materno a pesar de diagnóstico oportuno de la sífilis. De quienes recibieron tratamiento, en 63.6 % fue inadecuado (n = 7). CONCLUSIÓN: La clasificación de OPP de sífilis congénita permite identificar brechas en la prevención y dirigir intervenciones de salud pública hacia las principales causas para reducir la incidencia.

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Objective: To estimate the prevalence of acute apical abscess and identify associated factors in patients of a health center from Acapulco, Mexico. Material and methods: Epidemiological study that collected clinical records of patients during the period of october 2021. Sociodemographic and housing information was collected, as well as personal pathological and non-pathological history and a record of the diagnosis of the periapical lesion based on its clinical characteristics issued by the operator on duty. Through multivariate analysis, a factor associated with acute apical abscess was identified with the odds ratio and its 95% confidence interval as estimators of the strength of association with CIETmap statistical software. Results: The 37% (32/87) of patients were diagnosed with the infection. In terms of gender, females were the most affected with a proportion of 56% (18/32). The most common cause was caries with 72% (23/32). The right upper second premolar was the most affected tooth with 25% (8/32). One associated factor was identified, age 36 to 62 years (ORa=3.54; CI95%a=1.27 -16.62). Conclusion: The morbidity rate of the infection was moderate, and it is a common pathology in stomatological emergency consultations, so it is important for the professional in charge of the area to manage it clinically. It will be important to implement oral health education strategies aimed at different age groups to raise awareness of the cariogenic process and its consequences.

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This research addresses the impact of illicit drug use on labour market outcomes of men in Mexico. We leverage statistical information from three waves of a comparable national survey and make use of the Lewbel's heteroskedasticity-based instrumental variable strategy to deal with the endogeneity of the drug consumption. Our results suggests that drug consumption has fairly negative effects in the Mexican context: it reduces employment, occupational attainment and formality and raises unemployment of local males. These effects seem larger than those estimated for high-income economies.

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BACKGROUND: LIPA, situated on chromosome 10q23.2-q23.3, encodes the enzyme lysosomal acid lipase (LAL) (EC 3.1.1.13). Genetic alterations in LIPA lead to lysosomal acid lipase deficiency (LALD), an inborn error causing lipid metabolism anomalies and impairing cholesterol and triacylglyceride degradation. Over 40 LIPA variants have been documented, yet this study focuses on just two. The rs1051338 variant (NM_000235:c.46A>C) affects the signal peptide in Exon 2, whereas rs116928232, located in Exon 8, alters the splice site (NM_000235:c.894G>A), impacting lysosomal acid lipase activity. Considering the diverse clinical manifestations of LALD and the rising hepatic steatosis prevalence in Mexican population, mainly due to diet, these variants were investigated within this demographic to uncover potential contributing factors. This study aimed to reveal the frequency of rs1051338 and rs116928232 among healthy mestizo individuals in Northwest Mexico, marking a significant genetic exploration in this demographic. METHODS: Three hundred ten healthy mestizo individuals underwent PCR-RFLP analysis for both variants, and Sanger sequencing was performed for variant rs116928232. Bioinformatic analysis was also performed to predict protein changes. RESULTS: Allele frequencies for rs1051338 (FA = 0.39, p value = 0.15) and rs116928232 (FA = 0.0016, p value = 0.49) aligned with reported data, while bioinformatic analysis allowed us to identify the protein alteration observed in both variants; finally, the variants showed no linkage between them (normalized D' = 1.03, p value = 0.56). CONCLUSIONS: Allelic frequencies closely matched reported data, and protein structure analysis confirmed variant impacts on LAL enzyme function. Notably, this study marks the first analysis of rs1051338 and rs116928232 in a healthy Mexican mestizo population.

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Background: Proinflammatory diet contributes to greater symptomatology in patients with knee osteoarthritis (KOA); however, in Mexico there seems to be no evidence of the dietary inflammatory role, being a country with high prevalence of overweight and obesity with an inclination towards a Western diet. Objective: To analyze the relationship between dietary inflammatory index (DII) and KOA symptomatology in Mexican patients. Material and methods: Analytical cross-sectional study in 100 patients aged 40 to 70 years. Pain, stiffness, and functionality were evaluated with the Western Ontario and McMaster Universities Arthritis Index (WOMAC) and the DII was calculated from the semi-quantitative food consumption frequency questionnaire (QFCFQ). For its analysis, linear regression was calculated. Results: DII was significantly associated with pain (p = 0.001, R² = 0.118), functionality (p = 0.003, R² = 0.087) and WOMAC score (p = 0.001, R² = 0.099). In the second linear regression model with the dependent variable functionality, waist circumference (WC) was adjusted obtaining an R² = 0.144 and higher significance p = 0.001. Conclusions: Proinflammatory DII was related to greater pain, lower functionality and a high WOMAC score, which is why the anti-inflammatory diet could be considered as a support for the treatment of the patient with KOA.

Introducción: la dieta proinflamatoria contribuye a una mayor sintomatología en pacientes con osteoartritis de rodilla (OAR); sin embargo, en México parece no existir evidencia del papel inflamatorio dietético, pues es un país con alta prevalencia de sobrepeso y obesidad con inclinación hacia una dieta occidental. Objetivo: analizar la relación del índice inflamatorio dietético (IID) con la sintomatología de OAR en pacientes mexicanos. Material y métodos: estudio transversal, analítico en 100 pacientes de 40 a 70 años. Se evaluó el dolor, la rigidez y la funcionalidad con el Western Ontario and McMaster Universities Arthritis Index (WOMAC) y el IID se calculó a partir del cuestionario semicuantitativo de frecuencia de consumo de alimentos (CSFC). Para su análisis, se calculó regresión lineal. Resultados: el IID se asoció significativamente con dolor (p = 0.001, R² = 0.118), funcionalidad (p = 0.003, R² = 0.087) y puntaje del WOMAC (p = 0.001, R² = 0.099). En el segundo modelo de regresión lineal con la variable dependiente funcionalidad, se ajustó la circunferencia de cintura (CC) y se obtuvo una R² = 0.144 y una mayor significación: p = 0.001. Conclusiones: el IID proinflamatorio se relacionó con un mayor dolor, una menor funcionalidad y un puntaje alto del WOMAC, por lo cual la dieta antiinflamatoria podría considerarse como un apoyo para el tratamiento del paciente con OAR.

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BACKGROUND: Complementary and alternative (CAM) cancer treatment is often expensive and not covered by insurance. As a result, many people turn to crowdfunding to access this treatment. OBJECTIVE: The aim of this study is to identify the rationales of patients with cancer seeking CAM treatment abroad by looking specifically at crowdfunding campaigns to support CAM cancer treatment in Tijuana, Mexico. METHODS: We scraped the GoFundMe.com and GiveSendGo.com crowdfunding platforms for campaigns referencing CAM cancer clinics in Tijuana, initiated between January 1, 2022, and February 28, 2023. The authors created a coding framework to identify rationales for seeking CAM treatment in Tijuana. To supplement campaign metadata, we coded the beneficiary's cancer stage, type, age, specific treatment sought, whether the beneficiary died, gender, and race. RESULTS: Patients sought CAM cancer treatment in Tijuana because the (1) treatment offers the greatest efficacy (29.9%); (2) treatment offered domestically was not curative (23.2%); (3) the clinic treats the whole person, and addresses the spiritual dimension of the person (20.1%); (4) treatments are nontoxic, natural, or less invasive (18.2%); and (5) clinic offers the newest technology (8.5%). Campaigns raised US $5,275,268.37 and most campaign beneficiaries were women (69.7%) or White individuals (71.1%). CONCLUSIONS: These campaigns spread problematic misinformation about the likely efficacy of CAM treatments, funnel money and endorsements to CAM clinics in Tijuana, and leave many campaigners short of the money needed to pay for CAM treatments while costing beneficiaries and their loved one's time, privacy, and dignity. This study affirms that Tijuana, Mexico, is a very popular destination for CAM cancer treatment.

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Lynching remains a common form of collective punishment for alleged wrongdoers in Latin America, Africa, and Asia today. Unlike other kinds of collective violence, lynching is usually not carried out by standing organizations. How do lynch mobs overcome the high barriers to violent collective action? I argue that they draw on local community ties to compensate for a lack of centralized organization. Lynch mobs benefit from solidarity and peer pressure, which facilitate collective action. The study focuses on Mexico, where lynching is prevalent and often amounts to the collective beating of thieves. Based on original survey data from Mexico City and a novel lynching event dataset covering the whole of Mexico, I find that individuals with more ties in their communities participate more often in lynching, and municipalities with more highly integrated communities have higher lynching rates. As community ties and lynching may be endogenously related, I also examine the posited mechanisms and the causal direction. Findings reveal that municipalities exposed to a recent major earthquake-an event that tends to increase community ties-subsequently experienced increased levels of lynching. Importantly, I find that interpersonal trust is unrelated to lynching, thus showing that different aspects of social capital have diverging consequences for collective violence, with community ties revealing a "dark side."

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INTRODUCTION: Umbilical hernias (UHs) are commonly underdiagnosed due to their asymptomatic presentation. The aim was to determine the prevalence of UHs by computed tomography (CT) in a trauma center, to assess the magnitude of their underdiagnosis. METHODS: A cross-sectional study was designed, using CT studies to evaluate the integrity of the abdominal wall. The images were obtained from consecutive cases of adult patients (≥18 y) from the database of the radiology and imaging service during a 4-mo period. The sociodemographic features, type of CT scan, and description of the abdominal wall were obtained and compared with the radiology report. In the case of UH presence, the transversal, cephalocaudal, and anteroposterior lengths, as well as its content, were registered. RESULTS: A total of 472 CT scans were included with a 67.6% (n = 319) prevalence of UH. These were most common in men (58.9%, n = 188/319), but women were more likely to have UH ≥ 10 mm (55%, n = 72/131). Of those with UH, 63.6% were unreported by radiology. The most common content was peritoneal fat (87.5%). UH had medians (interquartile range) of 9.1 mm (6.8, 12.5), 8.3 mm (6, 11.5), and 12.8 mm (8.6, 18.2) in its transversal, cephalocaudal, and anteroposterior lengths, respectively. Transversal length had a high positive correlation with cephalocaudal length (r = 0.877). This datum relationship can be explained by at least 76% due to this factor. Interobserver reliability analyses resulted in substantial reliability (ICC>0.85 and k > 0.85). CONCLUSIONS: CT is an effective imaging tool for diagnosing UH. There is a high prevalence among the general adult population, with a high radiologic underreporting.

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