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Background Primary healthcare system in Iran has played an extensive role in promoting people health in the past decades. However, regarding universal developments in the different global aspects effective on health, the performance of this system has been influenced significantly. The aim of the present research is to identify the future trends of the primary health care in Iran. Methods The participants of this qualitative case study were experts in primary healthcare, which were selected and interviewed through purposive sampling method. The interview process was saturated after 25 interviews, so we stopped the process at this point. Framework analysis based on STEEP model used to analysis the interviews. Results The most important social/value, technological, economic, environmental, and political future trends of primary healthcare in Iran included demographic transition, epidemiological transition, social and cultural changes, emergence of modern and advanced technologies, internet and cyberspace, budgeting limitations, resource management, changing paradigm from volume to value in providing health services, environmental pollutions, natural disasters, health governance, intellectual paradigm of senior officials, regional security, international development, and other internal factors of the health system. Conclusions The identified factors can be turned into opportunities for Iran primary healthcare system if health planners and policymakers have a deep and accurate look at these influential factors and manage them properly. Copyright © 2019 International Journal of Preventive Medicine.Background Osteoporosis and obesity are two major public health problems worldwide. Considering the conflicting results about the association between anthropometric measurement and bone mineral density (BMD) and also differences between various races, this study was designed to examine the relationship between anthropometric measurements and BMD in a sample of Iranian adults. Methods This cross-sectional population-based study was conducted on 2625 Iranian adults aged 18 and above who were selected using multistage, cluster sampling method from Sanandaj and Arak (two cities of Iran). The evaluated variables included age, sex, height, weight, body mass index (BMI), BMD, and waist and hip circumferences. The correlations between anthropometric measures and BMD in three bone areas (total hip, femoral neck, and spine) were observed in four sex/age groups (men less then 50 years, men ≥50 years, and pre- and postmenopausal women). Results Of all the 2625 participants in the Iranian Multicenter Osteoporosis Study, 2022 (1303 women and 719 men) entered into our survey and were stratified into four sex/age groups. According to the results, increasing BMI was directly associated with BMD increase, while an inverse association was observed between waist-to-hip ratio (WHR) and total hip BMD. In a similar analysis on the femoral neck and WHR, the correlation coefficients in premenopausal women and men ≥50 years were reported as being the highest and the lowest, respectively, among the four groups. Conclusions Our results showed that high BMI is a protective factor (positive correlation), and high WHR is a risk factor for osteoporosis, although it should be reminded that we could not specifically define which factors including lean tissue mass, fat mass, and total weight are really affecting BMD increase in the overweight/obese participants. Copyright © 2019 International Journal of Preventive Medicine.Background One of the most effective parameters in the progression of the prostate cancer is interleukin (IL)-6 through affecting pSTAT3, pERK1/2, and pAKT cell signaling proteins. Carvacrol is an herbal antioxidant with antitumor effects. The purpose of this study was to investigate the effects of carvacrol on IL-6 gene expression, pSTAT3, pAKT, pERK1/2 cellular signaling proteins, and invasion in human prostate cancer PC3 cells. Methods PC3 cell viability was evaluated by MTT assay with different concentrations of carvacrol (0-800 μM). IL-6 gene expression and cellular concentration of pSTAT3, pERK1/2, and pAKT were investigated using the real-time reverse transcription quantitative polymerase chain reaction (RT-qPCR) and western blotting technic, respectively. PC3 cell invasion was determined by invasion assay test. Results Carvacrol IC50 for PC3 prostate cancer cells was 360 μM. Carvacrol led to a significant reduction (P less then 0.05) for IL-6 gene expression in a dose-dependent manner compared to control. IL-6 protein reduced 41.5% and 52.7% when compared with control cells at 360 and 420 μM of carvacrol, respectively. Carvacrol led to a decline in pSTAT3, pAKT, and pERK1/2 above 360 μM compared to control. PC3 potential invasion was significantly reduced after treatment with carvacrol in a dose-dependent manner. Conclusions Decreased IL-6 protein level by carvacrol resulted in diminishing of pSTAT3, pERK1/2, and pAKT signaling proteins, which leads to the reduction of the cell survival, proliferation, and invasion in PC3 cells. Copyright © 2019 International Journal of Preventive Medicine.Background To address the disproportionate burden of poor mental health among women, we present a community based participatory research (CBPR) model used to develop a women's mental health promotion program for Iranian women. Methods This is a multi-phase interventional study using a CBPR approach among married women age 18-65 living in Tehran. First, participants described the process of women's mental health. Subsequent steps involved participatory needs assessment, priority setting, intervention design, and evaluation. Finally, a conceptual model of women's mental health promotion was developed. Results "Seeking comfort" emerged as the core process in women's mental health. To promote mental health, women prioritized training on coping mechanisms to deal with stress. click here Women receiving this training used more problem-based coping methods and reported a higher quality of life than the comparison group. Conclusions The resulting conceptual model illustrates the utility of using a CBPR approach to develop women's mental health promotion programs.