Effect of Ergonomic Intervention on Cognitive Function of Office Workers.

Background: Different domains of cognitive function are important in some jobs, such as office work. Ergonomic risk factors may affect cognitive function.

Aim: This study was designed to assess the effect of an ergonomic training intervention on the cognitive function of office workers.

Prevalence of food allergy and its association with atopic dermatitis in Iran: Results from the PERSIAN birth cohort.

Background: The incidence of food allergy (FA) has been increasing worldwide, causing growing concern on a global scale.

Objective: This birth cohort study analyzes the incidence of reported FA and other atopic comorbidities in children from birth to age 2 years who were living in 4 urban and semiurban areas in Iran.

Methods: Children were followed from birth until age 24 months, with follow-up questionnaires administered through parent or guardian interviews conducted when the children were aged 2, 4, 6, 12, and 24 months.

The relationship between night shift-work and thyroid nodule: a field study among the employees of Yazd Electricity Company.

Background: Night work includes working between 10 pm and 6 am, which has known effects on people's health. One of the hormones influenced by the circadian rhythm is thyroid stimulating hormone (TSH).

Objective: Considering the effects of night shift-work on the thyroid gland, the purpose of this study was to investigate the relationship between thyroid nodules and night shift-work among the employees of Yazd Electricity Company.

COVID-19 vaccines breakthrough infection and adverse reactions in medical students: a nationwide survey in Iran.

Introduction: There are different types of COVID-19 vaccines approved worldwide. Since no national studies focus on vaccine-related adverse reactions and breakthrough cases, this study aimed to investigate the rate of adverse events and COVID-19 infection in medical students in Iran.

Methods: This retrospective cohort study included Iranian medical students who received two doses of COVID-19 vaccines.

Noise-induced Hearing Loss: Continuous versus Impact/impulse Noise.

Background: Impact/impulse and continuous noise are two main causes of noise-induced hearing loss (NIHL) in workplaces. The aim of this study was to compare the effects of impulse/impact noise and continuous noise on hearing status.

Methods: In this study, 259 workers referred to the occupational medicine clinic of Shahid Rahnemoun hospital, Yazd, Iran, entered the study and were divided into two groups: with exposure to impact/impulse noise and with exposure to continuous noise.