Effectiveness of low-fat diet on the levels of insulin-like growth factor-1 and insulin-like growth factor binding proteins: a systematic review and meta-analysis of randomized controlled clinical trials.

Background: Previous researches on the effect of low-fat diet (LF) on insulin-like growth factor-1 (IGF-1), and its binding proteins (IGFBPs) did not reach a consensus result, and there is no study summarizing these findings. Thus, this systematic review and meta-analysis of randomized control trials (RCTs) was performed to pool available evidence and answer the question whether dietary fat can affect IGF-1 and IGFBPs or not.

Methods: PubMed, Scopus, ISI Web of Science, Google, Google scholar, ProQuest, and the Cochrane Library were searched without language restrictions until July 2, 2024 to retrieve related studies.

Effect of probiotics as an adjunctive therapy with Ritalin among ADHD children and adolescents: a triple-blind randomized controlled trial.

Objective: Attention Deficit Hyperactivity Disorder (ADHD) is one of the most common mental disorders in children. Evidence regarding the impact of probiotics supplementation in ADHD children is limited and controversial. Thus, this study aimed to assess the effect of probiotics as an adjunctive therapy with Ritalin among ADHD children and adolescents.

Effect of Low-Fat Diet on Depression Score in Adults: A Systematic Review and Meta-Analysis of Randomized Controlled Clinical Trials.

Context: Current evidence on the effect of a low-fat (LF) diet on depression scores has been inconsistent.

Objective: To explore the effect of an LF diet on depression scores of adults by systematic review and meta-analysis of randomized controlled trials (RCTs).

Data Sources: The PubMed, ISI Web of Science, Scopus, and CENTRAL databases were searched from inception to June 7, 2023, to identify trials investigating the effect of an LF diet (fat intake ≤30% of energy intake) on the depression score.

Effect of Cornus mas L. fruit extract on blood pressure, anthropometric and body composition indices in patients with non-alcoholic fatty liver disease: A double-blind randomized controlled trial.

Background & Aims: Obesity is linked to the pathogenesis of non-alcoholic fatty liver disease (NAFLD). Patients with NAFLD are at increased risk for hypertension. Some investigations have hypothesized that Cornus mas L.

The effects of grapes and their products on immune system: a review.

Immune system plays a significant role in preventing and controlling diseases. Some studies reported the beneficial effects of grapes and their products on immunity. However, their results are controversial.

Resveratrol may mildly improve renal function in the general adult population: A systematic review and meta-analysis of randomized controlled clinical trials.

Whether renal health biomarkers can benefit from resveratrol supplements is unknown. Thus, we conducted a systematic review and meta-analysis to summarize evidence from randomized controlled trials investigating the effect of resveratrol supplementation on renal health biomarkers. We hypothesized that resveratrol supplementation is associated with improved renal health biomarkers.

Does anthocyanins consumption affect weight and body composition? A systematic review and meta-analysis of randomized controlled trials.

Background And Aims: Anthocyanins (ACNs) are water-soluble plant pigments belong to flavonoids with beneficial effects on health and disease prevention. Some studies have examined the effect of ACNs on anthropometric and body composition indices, but the findings were inconsistent. This systematic review and meta-analysis aimed to investigate the effect of ACNs and sources rich in anthocyanins on body mass index (BMI), body weight (BW), waist circumference (WC), hip circumference (HC), waist-hip ratio (WHR), percentage of fat mass (PFM) and fat free mass (FFM).

The effect of resveratrol supplementation on biomarkers of liver health: A systematic review and meta-analysis of randomized controlled trials.

This study aimed to evaluate the effect of resveratrol on liver biomarkers in adult participants, using systematic review and meta-analysis of randomized controlled trials. PubMed, Scopus, Web of Science and Cochran Library was searched, up to October 2021. The pooled effects were calculated using a random-effects model and expressed as weighted mean difference and 95% confidence interval.

The association between dietary anti-oxidant quality score and psychological disorders among Iranian adults: a population-based study.

Objective: Evidence linking relation between dietary antioxidant quality score (DAQS) and psychological disorders is limited. Therefore, this study aimed to assess relationship between DAQSs and psychological disorders including depression, anxiety and stress among Iranian adults.

Methods: This cross-sectional study used data on 7165 participants of the recruitment phase of Yazd Health Study (YaHS) and Taghzieh Mardom-e-Yazd Study (TAMYZ).

Effect of Cornus mas L. fruit extract on lipid accumulation product and cardiovascular indices in patients with non-alcoholic fatty liver disease: A double-blind randomized controlled trial.

Background & Aims: Non-alcoholic fatty liver disease (NAFLD) is associated with high risk of cardiovascular diseases. The experimental studies have suggested that Cornus mas L. (cornelian cherry) fruit can improve cardiovascular risk factors.

The association between low-carbohydrate diet score and metabolic syndrome among Iranian adults.

Objective: Assessing the relationship between low-carbohydrate diet (LCD) score and metabolic syndrome (Mets) in Iranian adults.

Design: Cross-sectional study.

Setting: Yazd Health Study and Taghzieh Mardom-e-Yazd study.

The effect of anthocyanins supplementation on liver enzymes: A systematic review and meta-analysis of randomized clinical trials.

This systematic review and meta-analysis aimed to assess effect of consuming anthocyanins (ACNs; pure ACNs or products containing ACNs) on liver enzymes levels including alanine aminotransferase (ALT), aspartate aminotransferase (AST), and gamma-glutamyl transferase (GGT). Although no significant impact was detected on the liver enzymes, a significant reduction was observed on ALT (WMD = -4.932 U/L, 95% CI = -9.

The effect of (Cornus mas L.) fruit extract on liver function among patients with nonalcoholic fatty liver: A double-blind randomized clinical trial.

This double-blind randomized clinical trial aimed to investigate impact of Cornus mas L. fruit extract (CMFE) on liver function in nonalcoholic fatty liver disease (NAFLD). Fifty patients were randomly assigned into the CMFE and placebo groups to receive 20 ml of the extract or placebo for 12 weeks, respectively.

The effect of grape products containing polyphenols on oxidative stress: a systematic review and meta-analysis of randomized clinical trials.

Background: The literature showed that Grape Products Containing Polyphenols (GPCP) had anti-oxidant activity. However, the effects of GPCP on different biomarkers of oxidative stress are still controversial. In this regard, this systematic review and meta-analysis aimed to evaluate the effect of Grape Products Containing Polyphenols (GPCP) intake on oxidative stress markers.

The relation between low carbohydrate diet score and psychological disorders among Iranian adults.

Background: Since evidence regarding to low carbohydrate diet (LCD) and psychiatric disorders is little and controversial, this study aimed to assess relation between LCD score and psychological disorders including depression, anxiety, and stress among a large representative sample of Iranian adult population in Yazd city, Iran.

Methods: This cross-sectional analysis was conducted on data of 7165 persons who participated in the recruitment phase of Yazd Health Study (YaHS) and Taghzieh Mardom-e-Yazd (TAMIZ) study. Dietary intakes were evaluated by a validated semi-quantitative food frequency questionnaire.

Dietary Habits and their Association with Metabolic Syndrome in a sample of Iranian adults: A population-based study.

Background: Central obesity, insulin resistance, dyslipidemia, and hypertension are the core components of metabolic syndrome (MetS) which is coincident with unhealthy dietary habits in the Middle-Eastern countries. The aim of this study was to explore the association between dietary habits and MetS of the adult population living in Yazd Greater Area, Iran.

Methods: This is a cross-sectional study that uses the data of a population-based cohort study on Iranian adults, known as Yazd Health Study (YaHS).

The relation between dietary intakes and psychological disorders in Iranian adults: a population-based study.

Background: Previous studies showed an association between dietary intakes and psychological disorders. This study aimed to assess the association between dietary intakes and psychiatric disorders in Iran.

Methods: In this cross sectional research, the data on 9965 adults were extracted from enrollment phase of Yazd Health Study (YaHS); a population-based cohort study on Iranian adults which was conducted during 2014 to 2016.

Relationship of zinc status with depression and anxiety among elderly population.

Background & Aims: Population aging is a global challenge. Old populations are prone to zinc deficiency. This study aimed to determine the association of zinc status with depression and anxiety among men and women aged 60+ years old.

The effect of coenzyme Q10 supplementation on oxidative stress: A systematic review and meta-analysis of randomized controlled clinical trials.

Some evidence exists in supporting the beneficial effects of coenzyme Q10 (CoQ10) on oxidative stress. Since the findings of studies over the impact of CoQ10 supplementation on oxidative stress are contradictory, this study was conducted. The aim was to evaluate CoQ10 supplementation effect on total antioxidant capacity (TAC), malondialdehyde (MDA), glutathione peroxidase (GPx), superoxide dismutase (SOD), and catalase (CAT) levels using data collected from randomized controlled trials (RCTs).

Empirically derived dietary patterns and food groups intake in relation with Attention Deficit/Hyperactivity Disorder (ADHD): A systematic review and meta-analysis.

Background And Aims: Attention Deficit Hyperactivity Disorder (ADHD) is a prevalent chronic psychiatric condition in children world wide. This study was aimed to provide an overview of food groups and dietary patterns in ADHD children as a systematic review.

Methods: The relation between dietary patterns and this disorder was also investigated through meta-analysis.

Dietary habits and psychological disorders in a large sample of Iranian adults: a population-based study.

Background: Since an association has been found between diet and psychological problems, this study aimed to evaluate the relationship between dietary habits and psychological problems among Iranian adults.

Methods: Data on dietary habits and psychological problems among 9965 adults were provided from the recruitment phase of Yazd Health Study, a population-based cohort research on Iranian adults. The association between dietary habits and psychological problems was assessed by multiple logistic regression analysis.

Major dietary patterns and differentiated thyroid cancer.

Background: Differentiated Thyroid Cancer (DTC) is the most common endocrine cancer with an increasing trend worldwide. Dietary pattern as a modifiable factor may be associated with DTC.

Objective: The present study aimed to evaluate the association between major dietary patterns and risk of DTC.

The effect of total anthocyanin-base standardized (Cornus mas L.) fruit extract on liver function, tumor necrosis factor α, malondealdehyde, and adiponectin in patients with non-alcoholic fatty liver: a study protocol for a double-blind randomized clinical trial.

Background: Nonalcoholic fatty liver disease (NAFLD) is one of the most common chronic liver diseases worldwide. Evidence showed that anthocyanins might have effects on NAFLD. Protective effects of Cornelian cherry (Cornus mas L.

Effect of purified anthocyanins or anthocyanin-rich extracts on C-reactive protein levels: a systematic review and meta-analysis of randomised clinical trials.

As the results of clinical trials are inconsistent, we conducted this research to assess the effect of purified anthocyanins or anthocyanin-rich extract supplementation on C-reactive protein (CRP) levels. We searched several databases to identify and extract data on characteristics, methods and outcomes of the eligible randomised controlled trials (RCT). A random-effects model, weighted mean difference (WMD) and 95 % CI were applied for data analysis.