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Actual macronutrient composition of the Mediterranean diet and its association with adiposity and inflammation: a cross-sectional real-life study
(Springer Science and Business Media LLC, 2025-11-11)
Claudia Vetrani
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Evelyn Frias-Toral
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Annamaria Di Martino
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Federica Cantelli
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Chiara Graziadio
Background and objectives The Mediterranean diet (MD) relies on a specific food consumption pattern that has been given pleiotropic effects on human health. However, even foods typically considered beneficial within the MD framework may vary in macronutrient composition, potentially leading to imbalanced or unhealthy dietary profiles despite overall adherence. To date, no study has evaluated the total energy intake and percentage macronutrient composition in a cohort of adult individuals stratified by their adherence to MD. We aimed to investigate the total energy intake and macronutrient composition among individuals stratified by adherence to MD, and its association with indices of adiposity and inflammation. Methods A cross-sectional study was conducted in 1342 volunteers. Participants underwent clinical examination (anthropometry, body composition, and high-sensitivity C-reactive protein assessment), and nutritional data collection, including adherence to MD (PREDIMED questionnaire) and habitual diet composition (7-day food records). The associations between PREDIMED score, macronutrient composition, and clinical outcomes were explored by Pearson’s correlation. Linear regression analysis was used to assess the macronutrient that best predicted adherence to MD. Results Participants with high adherence to MD (H-MD) presented lower intake of carbohydrate, while higher protein and fat amounts than individuals with medium (M-HD) or low (L-MD) adherence to MD. The H-MD group showed lower adiposity (body mass index, waist circumference, and fat mass) and C-reactive protein concentrations than individuals in the M-MD and L-MD groups p < 0.001 for all comparisons). Linear regression analysis showed low carbohydrate intake as the best predictor of high PREDIMED score (β: -0.875; p < 0.001). Conclusion H-MD is characterised by lower carbohydrate, higher protein and fat intakes than those usually reported in nutritional recommendations. This profile was significantly associated with lower adiposity and inflammation. A low carbohydrate amount was the best predictor of H-MD, suggesting that dietary carbohydrate should be on the lower side of the recommended range.
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Timing matters: lipid intake and its influence on menopausal-related symptoms
(Springer Science and Business Media LLC, 2025-08-18)
Ludovica Verde
;
Luigi Barrea
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Evelyn Frias-Toral
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Raynier Zambrano-Villacres
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SIMANCAS RACINES, DANIEL ALEJANDRO
Background Menopause contributes to central obesity and increases cardiovascular risk in women. Diet influences both menopausal symptoms and cardiovascular health, but the impact of chrononutrition, namely food timing, is not well understood. This cross-sectional study investigated whether the timing of food intake affected menopausal symptoms in 100 postmenopausal women with overweight or obesity. Methods Anthropometric and clinical parameters, and lifestyle habits were assessed. Menopausal symptoms were evaluated using the Menopause Rating Scale (MRS). Nutritional assessment utilized 7-day food records. Food intake was divided into morning intake (meals from breakfast to lunch) and evening intake (meals from afternoon snacks to dinner). Results The mean MRS score was 22.7 ± 7.8, showing a high prevalence of symptoms in the study population. Postmenopausal women under the median of morning energy intake showed a significantly a higher score for heart discomfort (p = 0.045), while those under the median of morning intake of lipids showed significantly higher scores for heart discomfort and lower scores for bladder problems (p = 0.013 and p = 0.040, respectively). Postmenopausal women above the median evening intake of lipids showed a significantly higher score for heart discomfort (p = 0.007). The heart discomfort score correlated negatively and positively with the morning (r = -0.210, p = 0.034) and evening (r = 0.210, p = 0.034) intakes of lipids, respectively, even after correction for confounding factors (r = -0.219 and r = 0.219, p = 0.028 for both). Conclusion Consuming most of the energy and lipids later in the day was linked to higher prevalence of menopausal symptoms in postmenopausal women with overweight or obesity. This eating pattern may potentially have adverse effects on the cardiovascular health of these women. Therefore, adopting chrononutrition behaviors, particularly favoring an earlier intake of energy and lipids, could prove beneficial as an additional measure in the nutritional therapy for postmenopausal women dealing with overweight or obesity.
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Beyond dietary therapy: addressing weight stigma awareness in medical students
(Springer Science and Business Media LLC, 2025-08-22)
Giuseppe Annunziata
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Giordano Bruno Zonzini
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Evelyn Frias-Toral
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Raynier Zambrano-Villacres
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Alexander Bertuccioli
Background The growing prevalence of obesity worldwide has drawn increased attention to the issue of weight stigma. Discriminatory attitudes related to body weight are evident across various settings, including those that should ideally offer support to individuals with obesity, such as schools and sports facilities. This research aimed to examine weight-related stigma among university students enrolled in healthcare-related academic programs. Methods To measure weight stigma, researchers administered the Italian version of the Attitude Toward Obese Persons (I-ATOP) questionnaire to 201 students from the University of Urbino (Italy) and the University of Malaga (Spain). The analysis explored variations in stigma levels based on gender, BMI classification, nationality, Italian regional location, level of academic education, medical history, and lifestyle factors. Results The participant pool was predominantly female (58.2%) and Spanish (66.7%), with an average age of 22.86 ± 3.08 years and a mean BMI of 22.80 ± 3.25 kg/m, placing most respondents in the normal weight range. Nearly half (47.8%) demonstrated a low degree of stigmatising attitudes. Within the sample, significantly lower stigma levels were reported among female and Spanish students (> = 0.001 and > = 0.011, respectively), as well as among those without a history of eating disorders (> = 0.017) and those who engaged in physical activity (> = 0.029). Additionally, stigma showed a notable decline in relation to higher educational attainment ConclusionThis pilot study reveals the presence of weight stigma even within healthcare education settings, where future health professionals are being trained. These findings underscore the urgent need for comprehensive educational strategies aimed at fostering inclusive and nonjudgmental attitudes toward individuals with obesity. Importantly, the assessment and management of weight stigma should extend beyond nutritional therapy alone, recognizing its psychological, social, and structural dimensions. Integrating this broader perspective into healthcare curricula is thus essential to improve the quality of care for individuals living with one of the most prevalent and complex chronic conditions.
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Differential impact of coffee quantity and sweetening on body composition parameters and inflammation
(Frontiers Media SA, 2025-09-17)
Giuseppe Annunziata
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Evelyn Frias-Toral
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Francesco Campa
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Maria Antonieta Touriz Bonifaz
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Ludovica Verde
Background: Coffee is the most consumed and popular beverage worldwide. The health benefits of its regular, moderate consumption are well known, and include antioxidant and anti-inflammatory effects, as well as metabolic effects, reducing the risk of obesity and related diseases. The available literature, however, provides no information about the effect of coffee consumption on body composition (BC) and inflammation. The present cross-sectional observational study aims to investigate the effect of coffee consumption on BC and inflammation-related parameters, as well as the possible impact of adding sugar and the frequency of consumption. Coffee consumption habits, preference for adding sugar and frequency of daily consumption were assessed in 2,556 adults (1,080 men and 1,476 women). BC was assessed using Bioelectrical Impedance Analysis (BIA), whilst high-sensitivity C-reactive protein (hs-CRP) levels were monitored for inflammatory status. Results: A total of 1,855 subjects (680 men and 1,175 women) were included in the statistical analysis. Compared to non-consumers, coffee consumers showed lower body mass index (BMI), waist girth (WG), and hs-CRP levels, and higher skeletal muscle mass (SMM), appendicular SMM (ASMM), phase angle (PhA), and standardised PhA (SPA) (p< 0.001 for all). The same trend was observed for unsweetened coffee consumers compared to subjects consuming sweetened coffee. With increasing coffee consumption, BMI, WG, and hs-CRP generally decreased, whilst SMM and ASMM showed a bell-shaped trend with peak values in those consuming 2–3 cups per day. Similarly, PhA and SPA values were highest among moderate coffee consumers. Conclusion: These findings suggest that moderate coffee consumption, particularly unsweetened coffee, is associated with more favourable body composition and inflammatory profiles. Given the observational design, causality cannot be established. Nevertheless, the results may inform dietary guidance aimed at supporting muscle maintenance and mitigating obesity-related metabolic risk.
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Effects of Preoperative Exercise Interventions in Patients Undergoing Metabolic and Bariatric Surgery: A Systematic Review and Meta-Analysis
(MDPI AG, 2025-09-01)
SIMANCAS RACINES, DANIEL ALEJANDRO
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PARISE VASCO, JUAN MARCOS
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ANGAMARCA IGUAGO, JAIME WLADIMIR
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Ashley Carolina Cuzco Macias
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Carlos Soria
Background: Obesity affects over one billion people globally. Bariatric surgery is the most effective long-term intervention for severe obesity. However, postoperative outcomes can vary considerably, with such factors as baseline fitness and cardiorespiratory reserve influencing surgical outcomes. This systematic review aimed to evaluate the effects of preoperative exercise or physical activity, compared to standard care or no intervention, on preoperative fitness parameters and perioperative surgical outcomes in adults with obesity undergoing metabolic and bariatric surgery. Methods: A systematic review was conducted in accordance with the recommendations of the Cochrane Handbook and the PRISMA guidelines. Randomized controlled trials, non-randomized controlled trials, and cohort studies with control groups evaluating preoperative exercise interventions were included. Two independent reviewers conducted study selection, data extraction, and risk of bias assessment using Cochrane tools. Meta-analyses were performed using random effects models, with standardized mean differences calculated for continuous outcomes. Evidence certainty was assessed using the GRADE approach. Results: A total of 15 studies, including 1378 participants, were identified for qualitative synthesis, with 12 contributing data for quantitative meta-analysis. Preoperative exercise interventions significantly improved six-minute walk test distance (SMD 2.01; 95% CI: 0.51 to 3.50; p = 0.009) and VO2 peak (SMD 1.02; 95% CI: 0.52 to 1.51; p < 0.0001). BMI reduction was significant (SMD −0.96; 95% CI: −1.75 to −0.16; p = 0.02), while weight change was not statistically significant (SMD −0.81; 95% CI: −1.72 to 0.09; p = 0.08). One study reported a reduction in hospital length of stay of 0.64 days (95% CI: −0.86 to −0.42; p < 0.00001). Evidence certainty was rated as very low to low across all outcomes. Conclusions: Preoperative exercise interventions have been shown to significantly improve cardiorespiratory fitness in bariatric surgery candidates, with large effect sizes for functional capacity measures. Despite the low certainty of the evidence, these findings suggest that supervised exercise programs should be incorporated into the preoperative care of bariatric surgery patients.
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Chrononutrition and Energy Balance: How Meal Timing and Circadian Rhythms Shape Weight Regulation and Metabolic Health
(MDPI AG, 2025-06-27)
Claudia Reytor-González
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SIMANCAS RACINES, DANIEL ALEJANDRO
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Náthaly Mercedes Román-Galeano
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Giuseppe Annunziata
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Martina Galasso
Obesity and metabolic disorders remain major global health concerns, traditionally attributed to excessive caloric intake and poor diet quality. Recent studies emphasize that the timing of meals plays a crucial role in determining metabolic health. This review explores chrononutrition, a growing field that examines how food intake patterns interact with endogenous circadian rhythms to influence energy balance, glucose and lipid metabolism, and cardiometabolic risk. The circadian system, which includes a central clock in the suprachiasmatic nucleus and peripheral clocks in metabolic tissues, regulates physiological functions on a 24 h cycle. While light entrains the central clock, feeding schedules act as key synchronizers for peripheral clocks. Disrupting this alignment—common in modern lifestyles involving shift work or late-night eating—can impair hormonal rhythms, reduce insulin sensitivity, and promote adiposity. Evidence from clinical and preclinical studies suggests that early time-restricted eating, where food intake is confined to the morning or early afternoon, offers significant benefits for weight control, glycemic regulation, lipid profiles, and mitochondrial efficiency, even in the absence of caloric restriction. These effects are particularly relevant for populations vulnerable to circadian disruption, such as adolescents, older adults, and night-shift workers. In conclusion, aligning food intake with circadian biology represents a promising, low-cost, and modifiable strategy to improve metabolic outcomes. Integrating chrononutrition into clinical and public health strategies may enhance dietary adherence and treatment efficacy. Future large-scale studies are needed to define optimal eating windows, assess long-term sustainability, and establish population-specific chrononutritional guidelines.
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Targeting Cytokine Dysregulation in Psoriasis: The Role of Dietary Interventions in Modulating the Immune Response
(MDPI AG, 2025-03-22)
SIMANCAS RACINES, DANIEL ALEJANDRO
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Náthaly Mercedes Román-Galeano
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Ludovica Verde
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Giuseppe Annunziata
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Marco Marchetti
Psoriasis is a chronic immune-mediated skin disease characterized by cytokine dysregulation. Pro-inflammatory mediators, including tumor necrosis factor-alpha (TNF-α), interleukin (IL)-17, and IL-23, play pivotal roles in the pathogenesis of psoriasis. Emerging evidence suggests that dietary interventions can modulate cytokine activity, providing a complementary approach to standard therapies. This narrative review examines the impact of various dietary strategies, including a Mediterranean diet, ketogenic diet, gluten-free diet, and fasting-mimicking diet, on cytokine profiles and clinical outcomes in psoriasis. Research insights reveal that dietary components such as omega-3 fatty acids, polyphenols, and short-chain fatty acids influence immune signaling pathways. These pathways include nuclear factor-kappa B (NF-κB) and Signal Transducer and Activator of Transcription 3 (STAT3). Additionally, these dietary components promote anti-inflammatory effects mediated by gut microbiota. Clinical studies demonstrate significant reductions in psoriasis severity, improved quality of life, and modulation of key cytokines associated with disease activity. Despite these advancements, significant challenges persist in effectively integrating these findings into clinical practice. These challenges include variability in patient responses, adherence issues, and the need for robust biomarkers to monitor efficacy. Future directions emphasize the potential of personalized nutrition and precision medicine approaches to optimize dietary interventions tailored to individual cytokine profiles and genetic predispositions. Integrating these strategies into psoriasis care could transform treatment paradigms by simultaneously addressing both systemic inflammation and comorbid conditions.
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Weight loss, changes in body composition and inflammatory status after a very low-energy ketogenic therapy (VLEKT): does gender matter?
(Springer Science and Business Media LLC, 2024-10-19)
Giovanna Muscogiuri
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Ludovica Verde
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Evelyn Frias-Toral
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REYTOR GONZÁLEZ, CLAUDIA MARÍA
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Giuseppe Annunziata
Background: Considering differences in body composition and inflammatory status between sexes, as well as recent recommendations advocating for personalized dietary approaches, this study aimed to explore how sex influences weight loss, changes in body composition, and inflammatory status in subjects with grade I and II obesity undergoing a 45-day of the Very Low-Energy Ketogenic Therapy (VLEKT). Methods: Participants (21 premenopausal females and 21 males), included in the study adhered to the 45-day of the VLEKT and underwent assessments of anthropometric parameters (weight, height, body mass index—BMI –, and waist circumference), body composition via bioelectrical impedance analysis, and inflammatory status measured by high sensitivity C-reactive protein (hs-CRP) levels at baseline and post-intervention. Results: At baseline, premenopausal females and males did not differ in BMI (p = 0.100) and hs-CRP levels (p = 0.948). Males demonstrated overall larger benefits than premenopausal females from the VLEKT in terms of weight loss (Δ% = − 11.63 ± 1.76 vs − 8.95 ± 1.65 kg, p < 0.001), fat mass (Δ% = − 30.84 ± 12.00 vs -21.36 ± 4.65 kg, p = 0.002), and hs-CRP levels (Δ% = − 41.42 ± 21.35 vs − 22.38 ± 17.30 mg/L, p = 0.003). Of interest, in males phase angle values are statistically improved compared to female (Δ% = 17.11 ± 9.00 vs 7.05 ± 3.30°, p < 0.001). Conclusion: These findings underscore the importance of considering sex-specific responses in personalized obesity treatment strategies, particularly dietary interventions like VLEKTs. Graphical Abstract: (Figure presented.)
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Use of phase angle as an indicator of overtraining in sport and physical training
(Springer Science and Business Media LLC, 2024-11-29)
Giuseppe Annunziata
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Antonio Paoli
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Evelyn Frias-Toral
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Stellario Marra
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Francesco Campa
The use of bioelectrical impedance analysis (BIA) is now well established in healthcare as an essential support tool for patient management in various clinical settings. Its use in sports is rapidly expanding due to the valuable insights it offers, helping to better structure athletes’ diets and training programs, thereby optimizing their performance. In the context of sport, however, there is a consensus regarding the importance of proper interpretation of BIA-derived data, which cannot be limited to mere estimation of body composition. In this sense, therefore, the evaluation and interpretation of raw bioelectrical parameters, including resistance, reactance, and phase angle (PhA) is of relevant importance. The assessment of PhA is particularly significant in the context of sports, as it is closely linked to key factors such as muscle mass, strength, and overall muscle quality. However, the existing relationship between PhA and systemic, and loco-regional inflammation, which, in a broader sense, is the rationale behind its use for assessing and monitoring localised muscle damage. Thus, the importance of PhA monitoring during training becomes evident, as it plays a crucial role in assessing and potentially identifying functional impairments, such as overtraining syndrome, as well as muscle injury and related changes in fluid distribution, at an early stage. The aim of this review is to provide the scientific basis necessary to consider the use of whole-body PhA as an indicator of overtraining.
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Nutritional Strategies for Battling Obesity-Linked Liver Disease: the Role of Medical Nutritional Therapy in Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD) Management
(Springer Science and Business Media LLC, 2025-01-11)
SIMANCAS RACINES, DANIEL ALEJANDRO
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Giuseppe Annunziata
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Ludovica Verde
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Federica Fascì-Spurio
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REYTOR GONZÁLEZ, CLAUDIA MARÍA
Purpose of Review: This narrative review explores the role of Medical Nutritional Therapy (MNT) in managing Metabolic-Associated Steatotic Liver Disease (MASLD), previously known as nonalcoholic fatty liver disease. It aims to examine the effectiveness of specific nutritional strategies in preventing and treating this obesity-linked liver disease. Recent Findings: Emerging evidence underscores the benefits of the Mediterranean diet, low-carbohydrate diets, and intermittent fasting in reducing liver fat, improving insulin sensitivity, and mitigating inflammation. Supplementing with vitamin E, omega-3 fatty acids, and silymarin can potentially reduce liver fibrosis and promote liver health. Summary: MNT is a key intervention for MASLD management, emphasizing dietary patterns, caloric restriction, and nutraceutical supplementation. Integrating these strategies with lifestyle modifications, including regular physical activity, offers a comprehensive approach to improving metabolic and liver outcomes in patients with MASLD. Further research is needed to refine and personalize these therapeutic interventions.

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