Association between coffee and caffeine intake and functional dyspepsia.

No previous study has examined the association between coffee and caffeine intake and odds of functional dyspepsia (FD). The aim of this study was to investigate the association between coffee and caffeine intake and odds of FD and its components in a large sample of Iranian adults. In this cross-sectional study on 3362 adults aged 18-55 years, a validated food frequency questionnaire (DS-FFQ) was used to assess dietary intakes.

Dietary insulin load and index in relation to incident gestational diabetes mellitus: a prospective cohort study.

No study has examined the association between dietary insulin load (DIL) and insulin index (DII) with developing gestational diabetes mellitus (GDM) during pregnancy. This study aimed to investigate the association between DIL and DII and risk of GDM in a group of pregnant women in Iran. In this prospective cohort study, 812 pregnant in their first trimester were recruited and followed.

A Case-control Study on the Association of Fruit and Vegetable Consumption with Risk of Breast Cancer.

Background: Limited data are available linking dietary intake of fruit and vegetables to breast cancer, in particular among the Middle Eastern population. The present study was done to investigate the association of fruit and vegetable consumption with the risk of breast cancer in Iranian adult women.

Methods: Dietary intake of fruit and vegetables was assessed using a validated 106-item Willett-format semi-quantitative dish-based food frequency questionnaire.

Associations between dietary total antioxidant capacity and sarcopenia: a cross-sectional study.

Background: No study has investigated the relationship between dietary total antioxidant capacity and sarcopenia so far.

Objective: This study aimed to investigate the association between dietary Total Antioxidant Capacity (d-TAC) and sarcopenia in elderly adults.

Methods: In this cross-sectional study we enrolled 300 elderly people (150 men and 150 women) aged ≥ 55 years using cluster random sampling method.

Associations between nutritional deficiencies and food insecurity among adolescent girls: A cross-sectional study.

There is a research gap in understanding the relationship between nutrient deficiency and food insecurity among adolescent girls in Afghanistan. The objective of this study was to investigate the associations between nutrient deficiencies and food insecurity among middle and high school-aged girls in Kabul. We conducted a cross-sectional study of 380 randomly selected 11-18-year-old girls attending public schools in grades 6-12.

A systematic review and dose-response meta-analysis of prospective cohort studies on coffee consumption and risk of lung cancer.

Studies on the association between coffee consumption and risk of lung cancer have been conflicting. The aim of this study was to systematically review the current evidence on the association between coffee consumption and risk of lung cancer and to quantify this association by performing a meta-analysis. A comprehensive systematic search was performed on online databases up to July 2023 investigating the association between coffee consumption and risk of lung cancer.

Folate Biomarkers, Folate Intake, and Risk of Death From All Causes, Cardiovascular Disease, and Cancer: A Systematic Review and Dose-Response Meta-Analysis of Prospective Cohort Studies.

Context: Existing evidence on the relation between folate intake and biomarkers with mortality risk is controversial.

Objective: Previous cohort studies were examined regarding folate intake and biomarkers in relation to risk of all-cause, cardiovascular disease- (CVD), and cancer-related mortality through a systematic review and meta-analysis.

Data Sources: A systematic search was performed of the PubMed, Scopus, and ISI Web of Science databases up to July 2023.

A Hospital-Based Case-Control Study on Whole- and Refined-Grain Intake and Risk of Stroke.

Introduction: The aim of the present study was to ascertain the correlation between the intake of whole and refined grains and the risk of stroke in the Iranian adult population.

Method: This hospital-based case-control study was conducted at Alzahra University Hospital, Isfahan, Iran, in 2008. The cases (n=195) were stroke patients admitted to the neurology ward, and the controls (n=195) were patients admitted to other wards in this center, with no prior history of cerebrovascular accident or any neurological disorders.

Negative expectations (nocebo phenomenon) in clinical interventions: A scoping review.

Unpredictable, undesirable, and confusing reactions in the face of psychological or medical interventions make the clinical presentation more complicated and may represent clinically unexplained symptoms and also disturbed the doctor-patients relationship and decrease patients' benefits of treatment. It seems that negative expectations from the treatment (nocebo phenomenon) can explain such reactions. The aim of the current study is a scoping review and investigate different aspects of the nocebo phenomenon (negative expectations) in clinical interventions.

Adherence to HEI-2010 and odds of breast cancer according to the menopause status: Evidence from Middle Eastern Country.

Background: Majority of earlier studies have assessed the association between individual healthy eating index-2010 (HEI-2010) and the odds of breast cancer (BC). However, no study has been conducted on the effect of compliance with HEI-2010 and the odds of BC in the Iranian population with a large sample size. Therefore, we aimed to investigate the relationship between the HEI-2010 and the odds of BC in the Iranian population.

Dietary patterns in relation to glioma: a case-control study.

Although the association of individual foods and nutrients with glioma have been investigated, studies on the association of major dietary patterns and glioma are scarce. The aim of this study was to examine the association between major dietary patterns and risk of glioma in a group of Iranian adults. In this hospital-based case-control design, we recruited 128 newly diagnosed glioma cases and 256 controls in Tehran from 2009 to 2011.

The association between dietary total antioxidant capacity and hearing loss: results from the Tehran employees Cohort Study.

Background: Despite numerous studies that have explored the association between individual antioxidants or specific combinations and the risk of hearing loss, there is lack of information regarding the relationship between dietary total antioxidant capacity (dTAC) and hearing loss. The conflicting results on this association further highlight the need for more research in this area. This study aims to investigate the association between overall dietary antioxidant intake and the risk of hearing loss among Iranian adults.

Dietary Magnesium Intake Is Inversely Associated With Ulcerative Colitis: A Case-Control Study.

Background: Ulcerative colitis (UC) causes long-lasting inflammation and ulcers in the gut. Limited observational data are available linking dietary magnesium intake and UC. In the present study, we aimed to investigate the association between dietary magnesium intake and UC in adults.

Exploring the association between ultra-processed foods and COPD: a case-control study.

Background: While it is known that the overconsumption of ultra-processed foods (UPFs) is associated with a heightened risk of respiratory ailments, the specific effects of UPF intake on COPD remain unclear. This study was designed to explore the potential link between COPD and the consumption of UPFs among adult individuals in Iran.

Methods: In this hospital-based case-control study conducted at Alzahra University Hospital in Isfahan, Iran, we enrolled 84 patients newly diagnosed with COPD, along with 252 healthy controls matched for age and sex.

Mediterranean diet adherence and sleep pattern: a systematic review of observational studies.

Background And Aims: Despite a huge body of evidence on the linkage between dietary intakes and pattern of sleeping, the findings are controversial. The current study aimed to summarize earlier findings on the association between adherence to Mediterranean diet (MD) and pattern of sleeping.

Methods: This study performed based on PRISMA guideline.

Effects of vitamin D supplementation on liver fibrogenic factors, vitamin D receptor and liver fibrogenic microRNAs in metabolic dysfunction-associated steatotic liver disease (MASLD) patients: an exploratory randomized clinical trial.

Background And Aims: Metabolic dysfunction-associated steatotic liver disease (MASLD) is a global metabolic problem which can lead to irreversible liver fibrosis. It has been shown that vitamin D and its receptors contribute to fibrogenic pathways in the liver. However, the effect of vitamin D supplementation on liver fibrosis related factors have not been examined.

Associations of major dietary patterns with cardiometabolic risk factors among Iranian patients with type 1 diabetes.

Objective: To examine the associations between dietary patterns and cardiometabolic risk factors among type 1 diabetic (T1D) patients.

Methods: This cross-sectional study was conducted on 229 Iranian T1D patients. Data on dietary intakes were collected using a 168-item food frequency questionnaire.

Consumption of dairy products and odds of ulcerative colitis: An Iranian case-control study.

The association between dairy product consumption and the risk of ulcerative colitis (UC) is not well elucidated. This case-control study examined the association between Iranian adults' dairy consumption and UC risk. We used a valid food frequency questionnaire to analyze dietary intakes in 340 patients with pathologically confirmed cases of UC and 782 controls as part of a case-control research.

Nutrient patterns in relation to insulin resistance and endothelial dysfunction in Iranian women.

Prior studies have mainly focused on the association of one specific nutrient with insulin resistance (IR) and endothelial dysfunction and limited studies have assessed the association with different nutrient patterns (NPs). We examined the association between various NPs and IR and endothelial dysfunction among Iranian women. This cross-sectional study was carried out on a sample of 368 female nurses.

The association between dietary patterns and disease severity in patients with ulcerative colitis.

Ulcerative colitis (UC) is a chronic inflammatory disease involving the colon and rectum. One of the most modifiable environmental factors affecting UC severity is the patient's dietary pattern. Although the role of dietary patterns on UC aetiology has been investigated previously, its relationship with disease severity has not yet been elucidated.

Association of combined healthy lifestyle with general and abdominal obesity.

Background: Data linking joint healthy lifestyle factors to general and abdominal obesity are scarce, in particular in the Middle East. The aim of this study was to examine the association of combined healthy lifestyle factors with general and abdominal obesity in a large population of Iranian adults.

Methods: This cross-sectional study was done on 3,172 Iranian adults aged ≥18 years.

The association between diet quality and chronic obstructive pulmonary disease: a case-control study.

Background: Previous investigations have primarily examined the relationship between various dietary patterns and the risk of chronic obstructive pulmonary disease (COPD); however, there have been limited studies that have evaluated the association between diet quality presented by Healthy Eating Index 2010 (HEI-2010) and COPD. The aim of this study was to investigate this association in Iranian population.

Methods: This case-control study recruited 84 cases and 252 healthy controls who were randomly selected.

Dietary linoleic acid intake in relation to breast cancer: A case-control study.

Background: The present study aimed to investigate the association between dietary linoleic acid (LA) intake and breast cancer in women.

Methods: In this population-based case-control study, we enrolled 350 pathologically confirmed breast cancer cases and 700 controls which were matched with cases in terms of age and socioeconomic status. Dietary intakes were assessed using a 106-item Willett-format semi-quantitative dish-based food frequency questionnaire (DS-FFQ).

Dietary intake of phytochemicals in association with irritable bowel syndrome in adults.

Background & Aim: There is limited data regarding the association between phytochemical-rich diets and irritable bowel syndrome (IBS). The current study aimed to cross-sectionally evaluate the association of dietary phytochemical index (DPI) with the odds and severity of IBS.

Methods: In this study, which included 3362 Iranian healthcare staffs, a dish-based semi-quantitative food frequency questionnaire (DS-FFQ) was utilized to collect dietary information.