The Prevalence and Determinants of Undernutrition Among Infants and Children Aged 6 Months to 5 Years in Sub-Saharan African Countries: A Systematic Scoping Review.

Objective: To explore the prevalence and determinants of undernutrition among infants and children aged 6 months to 5 years in sub-Saharan African countries.

Background: Despite substantial progress over the past 20 years, undernutrition has remained an alarming global challenge. Sub-Saharan Africa is the only region where the prevalence of stunting in children younger than 5 years has significantly increased.

Effects of Dietary Interventions in Patients With Migraine: A Systematic Review.

Context: Migraine is a disabling neurological disorder. Diet may be a factor to consider because measures of diet quality have been linked to both frequency and severity of attacks.

Objectives: To investigate the effects of dietary interventions on the clinical symptoms of migraine, quality of life, and body composition of patients with migraine.

Effects of Prebiotics and Probiotics on Symptoms of Depression and Anxiety in Clinically Diagnosed Samples: Systematic Review and Meta-analysis of Randomized Controlled Trials.

Context: The use of prebiotics and probiotics as a treatment for psychiatric conditions has gained interest due to their potential to modulate the gut-brain axis. This review aims to assess the effectiveness of these interventions in reducing symptoms of depression and anxiety in psychiatric populations.

Objective: The aim was to comprehensively review and appraise the effectiveness of prebiotic, probiotic, and synbiotic interventions in reducing clinical depression and anxiety symptoms.

Conscious Nutrition to Improve Survival Prognosis of Donor Kidney Recipients: A Narrative Review.

Kidney transplantation is the optimal treatment for end-stage chronic kidney disease, increasing survival rates and improving quality of life. Diet affects patient weight and well-being, can trigger certain diseases, and influences post-surgery outcomes. The purpose of the study was to investigate dietary strategies in patients with chronic kidney disease, in early and long-term donor kidney recipients, and to formulate specific nutritional recommendations.

Relationship Between Hepatic Iron Concentration and Glycemic Metabolism, Prediabetes, and Type 2 Diabetes: A Systematic Review.

Context: Emerging research has suggested a potential link between high iron levels, indicated by serum ferritin levels, and the development of type 2 diabetes (T2D). However, the role of hepatic iron concentration (HIC) on T2D development and progression is not well understood.

Objectives: This study aims to systematically review the literature on HIC and/or the degree of hepatic iron overload (HIO) in individuals with prediabetes and/or diagnosed T2D, and to analyze associations between HIC and markers of glucose metabolism.

Diet-Gut Microbiota Relations: Critical Appraisal of Evidence From Studies Using Metagenomics.

Diet may influence the gut microbiota and subsequently affect the host's health. Recent developments in methods analyzing the composition and function of the gut microbiota allow a deeper understanding of diet-gut microbiota relationships. A state-of-the-art methodology, shotgun metagenomics sequencing, offers a higher taxonomic resolution of the gut microbiota at the bacterial species and strain levels, and more accurate information regarding the functional potential of gut microbiota.

Effectiveness of Health Education Interventions in Enhancing Iron-Folic Acid Supplement Utilization Among Pregnant Women: Systematic Review and Meta-analysis.

Context: During pregnancy, the underutilization of iron-folic acid supplements (IFAS) remains a considerable maternal and child health issue. Hence, health education intervention trials were conducted following the recommendation of the World Health Organization and epidemiological studies to enhance the utilization level of the supplements during pregnancy.

Objective: The objective of this meta-analysis was to evaluate the effectiveness of health education interventions in enhancing IFAS utilization during pregnancy.

Adherence and Retention in Early or Late Time-Restricted Eating: A Narrative Review of Randomized Controlled Trials.

Time-restricted eating (TRE) is a form of intermittent fasting that involves reducing the time-period in which food is typically consumed daily. While TRE is known to induce health benefits, particularly for adults with obesity, there is currently debate about whether the time of day in which food is consumed also contributes to the health benefits of TRE. Early TRE (eTRE) and late TRE (lTRE) are subtypes of TRE that involve consuming food and caloric beverages either in the early or later part of the day.

Rice Bran Extraction and Stabilization Methods for Nutrient and Phytochemical Biofortification, Nutraceutical Development, and Dietary Supplementation.

Rice is a global staple food crop for nearly half of the world's population. Rice bran along with the germ are essential components of whole-grain rice and have immense potential for enhancing human nutrition. Rice bran has a unique composition and distinct requirements for processing before it can be consumed by humans when compared with other cereal brans.

Effect of Saffron (Crocus sativus) Supplementation on Oxidative Stress, Inflammatory Indices, and Renal and Liver Function Parameters in Patients With Type 2 Diabetes Mellitus: A GRADE-Assessed Systematic Review and Meta-analysis of Randomized Clinical Trials.

Context: Clinical investigation has shown that the addition of saffron or crocin to standard antidiabetic medications improves a patient's metabolic profile, oxidative stress (OS), and inflammatory response. Despite a large number of studies examining the impact of saffron supplementation on OS, inflammation, and renal and liver function parameters, no systematic review or meta-analysis has been conducted to compile the outcomes in patients with type 2 diabetes mellitus (T2DM).

Objective: The current systematic review and meta-analysis was performed to investigate the effect of saffron or crocin intake on OS, inflammation, and renal and liver function parameters in patients with T2DM.

Effects of a Low-Protein Diet on Kidney Function in Patients With Chronic Kidney Disease: An Umbrella Review of Systematic Reviews and Meta-analyses of Randomized Controlled Trials.

Context: Chronic kidney disease (CKD) stands out as one of the most widespread diseases globally. Dietary interventions, such as adopting a low-protein diet (LPD), play a crucial role as a key approach in impeding the advancement of CKD.

Objective: The objective of this umbrella review was to provide understanding into the effects of an LPD on kidney function among individuals with CKD, along with evaluating the certainty of the available evidence.

The Role of the Gut Microbiome in the Development and Progression of Type 2 Diabetes and Liver Disease.

Type 2 diabetes mellitus (T2DM) and progressive liver disease are 2 of the most significant global health concerns, and they have alarming and ever-increasing prevalence. A growing body of literature has demonstrated a potential multilateral link between gut microbiome dysbiosis and the development and progression of the above-mentioned conditions. Modulation of gut microbial composition from the norm is due to changes in diet allied with external factors such as age, genetics, and environmental changes.

Impact of Vitamin A Deficiency on Iron Metabolism and Anemia: A Historical Perspective and Research Advances.

Vitamin A deficiency (VAD) and iron deficiency anemia coexist around the world, particularly in children and women of reproductive age in low- and middle-income countries. Within this scenario, there is a known interaction between vitamin A and iron, and it has been postulated that lack of vitamin A impairs iron metabolism, leading to vitamin A deficiency anemia (VADA). Current animal, epidemiological, and clinical studies support this notion.

Achieving High Protein Quality Is a Challenge in Vegan Diets: A Narrative Review.

The transition toward plant-based (PB) diets has gained attention as a plausible step toward achieving sustainable and healthy dietary goals. However, the complete elimination of all animal-sourced foods from the diet (ie, a vegan diet) may have nutritional ramifications that warrant close examination. Two such concerns are the adequacy and bioavailability of amino acids (AAs) from plant-sourced foods and the consequences for older vegan populations who have elevated AA requirements.

Association Between Maternal Prepregnancy and Pregnancy Body Mass Index and Children's Telomere Length: A Systematic Review and Meta-analysis.

Context: Telomeres maintain chromosome stability and mark cellular aging, and their shortening with age compromises genomic stability.

Objective: The purpose of this study was to conduct a meta-analysis of existing evidence to evaluate the relationship between the maternal pregnancy body mass index (BMI) and children's telomere length (TL).

Data Source: Web of Science, Scopus, and PubMed databases were systematically searched from their inception to August 27, 2023, for pertinent observational studies.

Evaluation of the Effect of Probiotic Supplementation on Intestinal Barrier Integrity and Epithelial Damage in Colitis Disease: A Systematic Review.

Context: Previous reviews have focused on the effects of probiotics on colitis, but there is a need to understand their impact on barrier integrity and tight junction protein improvement in colitis.

Objective: This study aimed to systematically examine the effects of probiotic use on barrier integrity in colitis disease. This study was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines.

The Impact of Exercise and Protein Intake on Inflammaging: A Meta-Analysis and Systematic Review of Randomized Controlled Trials.

Context: Sarcopenia and cachexia lead to muscle wasting and increased health risks in older adults. Both sarcopenia and cachexia are associated with inflammaging, a chronic low-grade inflammatory state linked to aging. Strategies to preserve muscle mass and function are crucial for maintaining independence and quality of life among the elderly.

Effect of Micronutrients on HIV-Related Clinical Outcomes Among Adults Living With HIV on Antiretroviral Therapy: Systematic Review and Meta-analysis.

Context: Micronutrient deficiencies are common and frequently co-occurring among people living with HIV (PLHIV) globally, with consequences for their health and clinical outcomes. Previous reviews of the influence of micronutrient supplementation on HIV outcomes were conducted in the pre-highly active antiretroviral therapy (pre-HAART) era or included both HAART-naive and HAART-experienced individuals; thus, the evidence in the context of HAART is inconclusive.

Objective: A systematic review and meta-analysis was conducted to evaluate the effect of micronutrient supplementation on important clinical outcomes among PLHIV on HAART.

Unlocking the Cardiovascular Benefits of Walnuts: Insights on Molecular Mechanism From Animal Studies.

The health-promoting benefits of walnut consumption are substantially ascribed to its fatty acid (FA) profile, which is rich in polyunsaturated FA with an exceptionally high n-3 to n-6 ratio. There are also phytonutrients in walnuts that are linked to health welfare. This review article integrates all studies on the effects of walnuts on the cardiovascular system performed on experimental animals, and thus is a source of data on the mechanisms underlying the observed effects.

Effects of Fermented Kimchi Consumption on Anthropometric and Blood Cardiometabolic Indicators: A Systematic Review and Meta-Analysis of Intervention Studies and Prospective Cohort Studies.

Context: Increasing global kimchi consumption has prompted interest in its health impact. However, comprehensive reviews of the influence of kimchi on cardiometabolic risk factors, especially meta-analyses, remain limited.

Objective: This review assessed the impact of fermented kimchi consumption on cardiometabolic risk factors by systematically reviewing human intervention and prospective cohort studies, and conducting a meta-analysis of intervention studies.

Effect of Nutrition Education During Pregnancy on Iron-Folic Acid Supplementation Compliance and Anemia in Low- and Middle-Income Countries: A Systematic Review and Meta-analysis.

Context: Stakeholders implement nutrition education to prevent and control anemia during pregnancy. Nutrition education during pregnancy can increase the consumption of iron-folic acid (IFA) supplements and encourage behavioral changes. However, there is no comprehensive meta-analysis to determine the effectiveness of this intervention.