Background: Nowadays job stress is one of the most important health problems that health and safety professionals are facing with. Much of previous studies have focused on interventions such as stress management and, they have ignored the role of psychosocial factors in occurrence of job stress. This study investigated the mediator role of supervisor support on the association between wo...

Objective: The present research aimed to study the relationship between traumatic experiences and somatic symptoms severity in students. Methods: This research was a cross-sectional study. The study population included all students of the University of Social Welfare and Rehabilitation Sciences, Tehran, Iran. The study sample consisted of 264 healthy adult university students, who were selecte...

Purpose: Physical activity is inversely associated with depression in adolescents but the overall associations are fairly weak, suggesting individual differences in the strength of the associations. The aim of this study was to investigate whether plasticity genes modify the reciprocal prospective associations between physical activity and depressive symptoms found previously. Methods: In a pro...

Morning symptoms are common in chronic obstructive pulmonary disease (COPD). Many COPD patients consider the morning as the most troublesome part of the day, in which they experience more symptoms and physical activity limitations.To systematically report evidence of the association between morning symptoms and physical activity in COPD patients, a literature search was conducted using relevant...

Physical symptoms with uncertain medical explanations are some of the most common presentations in primary care. As many as 25% of visits to primary care physicians are prompted by physical symptoms that lack any clear organic pathology [1]. Although some patients with medically unexplained physical symptoms experience mild and/or transient discomfort, others experience substantial discomfort, ...

background: socioeconomic status has been found to have a significant impact on the health as well as risk behaviors of adolescents across different contexts. this study was conducted to assess the effect of social relations adjusted by social class on physical and psychological well-being of adolescences in teheran, iran.     methods: this was a cross- sectional study and carried out on 1,742 ...

OBJECTIVE To determine the existence of a relationship between physical activity and depressive symptoms in community-dwelling elders. METHOD This is a cross-sectional, population-based study, which included 379 community-dwelling elders from Novo Hamburgo, state of RS, Brazil. The level of physical activity was estimated using the International Physical Activity Questionnaire and depressive ...

The brain-derived neurotrophic factor (BDNF) Val66Met single nucleotide polymorphism may be associated with clinical and subsyndromal depression, but physical activity improves mood and increases BDNF expression. The aim of the study was to examine whether the BDNF polymorphism moderates an effect of physical activity on depressive symptoms. BDNF genotype, physical activity measured by the Paff...