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Key Risk Factors Affecting Farmers' Mental Health: A Systematic Review.
Daghagh Yazd, S, Wheeler, SA, Zuo, A
International journal of environmental research and public health. 2019;16(23)
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The prevalence of psychological stress among farmers and farm workers is greater than that of non-farmers. The mental health of farmers can be affected by several factors, including pesticide exposure, financial problems, climate issues, and poor physical health. A total of 167 studies are included in this systematic review incorporating data from the studies conducted in 34 countries, including the United Kingdom, the United States and Australia. There is a need for risk assessment that influences farmers' mental health, according to this systematic review. There is a need for more robust studies to evaluate the impact of climate change and pesticide exposure on farmers' mental health and to determine which strategies can be used to help them find therapies. Using the results of this systematic review, healthcare professionals can raise awareness about mental health issues and assist farmers in identifying the symptoms, allowing them to seek help.
Abstract
Recently, concern has increased globally over farmers' mental health issues. We present a systematic review of the outcomes, locations, study designs, and methods of current studies on farmers' mental health. In particular, this review aims to fill an important gap in understanding of the potential key risk factors affecting farmers' mental health around the world. 167 articles on farmer mental health were included in a final systematic review using a standardized electronic literature search strategy and PRISMA guidelines. The four most-cited influences on farmers' mental health in the reviewed literature respectively were pesticide exposure, financial difficulties, climate variabilities/drought, and poor physical health/past injuries. The majority of studies were from developed countries, most specifically from the United States, Australia, and the United Kingdom. Comparative studies on the mental health of farmers and other occupational workers showed mixed results, with a larger portion identifying that psychological health disturbances were more common in farmers and farm-workers. Knowledge of farmer psychological disorder risk factors and its impacts are essential for reducing the burden of mental illness. Further research will be required on climate change impacts, developing country farmers' mental health, and information on how to reduce help-seeking barriers amongst farmers.
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Fasting blood glucose, glycaemic control and prostate cancer risk in the Finnish Randomized Study of Screening for Prostate Cancer.
Murtola, TJ, Vihervuori, VJ, Lahtela, J, Talala, K, Taari, K, Tammela, TL, Auvinen, A
British journal of cancer. 2018;118(9):1248-1254
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Studies have shown that people with diabetes mellitus have lower risk of developing prostate cancer compared with non-diabetics. Glucose metabolism (the process by which simple sugars found in food are processed and used to produce energy) may have an independent role in prostate cancer development and progression. The aim of this study was to investigate the associations between fasting blood glucose and glycaemic control and prostate cancer risk. The study recruited 80,144 men who were randomly assigned either to be screened with PSA at four-year intervals (the screening arm, 31,866 men) or to control arm with no intervention and followed through national registries (48,278 men). Results indicate an association between fasting blood glucose level and elevated prostate cancer risk. This association was more noticeable in the screening arm, and concerned both poorly and well-differentiated cancers. Furthermore, compared to the normoglycemic men, overall prostate cancer risk was elevated in diabetic, but not in pre-diabetic men. Authors conclude that diabetic fasting blood glucose level is associated with elevated prostate cancer risk in a population-based cohort of Finnish men.
Abstract
BACKGROUND Diabetic men have lowered overall risk of prostate cancer (PCa), but the role of hyperglycaemia is unclear. In this cohort study, we estimated PCa risk among men with diabetic fasting blood glucose level. METHODS Participants of the Finnish Randomized Study of Screening for Prostate Cancer (FinRSPC) were linked to laboratory database for information on glucose measurements since 1978. The data were available for 17,860 men. Based on the average yearly level, the men were categorised as normoglycaemic, prediabetic, or diabetic. Median follow-up was 14.7 years. Multivariable-adjusted Cox regression was used to calculate hazard ratios (HRs) and 95% confidence intervals (95% CIs) for prostate cancer overall and separately by Gleason grade and metastatic stage. RESULTS In total 1,663 PCa cases were diagnosed. Compared to normoglycaemic men, those men with diabetic blood glucose level had increased risk of PCa (HR 1.52; 95% CI 1.31-1.75). The risk increase was observed for all tumour grades, and persisted for a decade afterwards. Antidiabetic drug use removed the risk association. Limitations include absence of information on lifestyle factors and limited information on BMI. CONCLUSIONS Untreated diabetic fasting blood glucose level may be a prostate cancer risk factor.
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Improvements in health-related quality of life over 3 years with liraglutide 3.0 mg compared with placebo in participants with overweight or obesity.
Kolotkin, RL, Gabriel Smolarz, B, Meincke, HH, Fujioka, K
Clinical obesity. 2018;8(1):1-10
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Obesity is associated with reduced health-related quality of life affecting physical, psychological and social function and well-being. The aim of the study was to determine the durability of improvement of health-related quality of life in participants taking Liraglutide 3.0mg after 3 years. The study included participants with prediabetes who were overweight or obese and presented weight-related conditions (hypertension or dyslipidaemia). Results indicate that participants taking 3.0mg of liraglutide for 3 years saw improvements in obesity-specific and physical aspects of health-related quality of life, and health utility. However, it showed little effects on the mental components when compared to the placebo. Authors conclude that Liraglutide 3.0mg, together with diet and exercise, lead to weight loss in obesity which is linked with improved health related quality of life.
Abstract
Previously in the SCALE Obesity and Prediabetes trial, at 1 year, participants with obesity (or overweight with comorbidities) and prediabetes receiving liraglutide 3.0 mg experienced greater improvements in health-related quality of life (HRQoL) than those receiving placebo. The current study extends these findings by examining 3-year changes in HRQoL. HRQoL was assessed using the obesity-specific Impact of Weight on Quality of Life-Lite (IWQOL-Lite) questionnaire, as well as the Short-Form 36 v2 (SF-36) health survey. At 3 years, mean change (±standard deviation) in IWQOL-Lite total score from baseline for liraglutide (n = 1472) was 11.0 ± 14.2, vs. 8.1 ± 14.7 for placebo (n = 738) (estimated treatment difference [ETD] 3.4 [95% confidence interval (CI): 2.0, 4.7], P < 0.0001). Mean change in SF-36 physical component summary (PCS) score from baseline for liraglutide was 3.1 ± 7.3, vs. 2.6 ± 7.6 for placebo (ETD 0.87 [95% CI: 0.17, 1.6], P = 0.0156). Mean change in SF-36 mental component summary score did not significantly differ between groups. Both IWQOL-Lite total score and PCS score demonstrated an association between greater HRQoL improvement with higher weight loss. Liraglutide 3.0 mg was also associated with improved health utility (Short-Form-6D and EuroQol-5D, mapped from IWQOL-Lite and/or SF-36) vs. placebo. Liraglutide 3.0 mg, plus diet and exercise, is associated with long-term improvements in HRQoL with obesity or overweight with comorbidity vs. placebo.
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Postmenopausal hormone therapy and risk of stroke: A pooled analysis of data from population-based cohort studies.
Carrasquilla, GD, Frumento, P, Berglund, A, Borgfeldt, C, Bottai, M, Chiavenna, C, Eliasson, M, Engström, G, Hallmans, G, Jansson, JH, et al
PLoS medicine. 2017;14(11):e1002445
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Postmenopausal hormone therapy (HT) is a recognised treatment for menopausal symptoms, however there is some evidence that it may increase the risk of stroke. HT initiated early in the onset of menopause may have a favourable impact on subclinical atherosclerosis but again, the results are not consistent. There may also be a difference in the risk of the types of stroke; haemorrhagic and ischaemic stroke. This study explored the association between HT and the risk of developing a stroke, focusing on the timing of initiation, how the HT was administered, type of HT, active ingredient and duration. 88,914 postmenopausal women using HT and with no history of cardiovascular disease were included in the study. Strokes were identified from national population registers. Early initiation (HT started less than 5 years after the onset of menopause) was not associated with an increase risk of stroke regardless of type of HT, active ingredient, how it was administered and duration. Generally, this is for both types of stroke. Late initiation (later than 5 years) was associated with an increase risk of stroke when conjugated equine oestrogen was used as single therapy. Late initiation was also associated with increased risk of haemorrhagic stroke.
Abstract
BACKGROUND Recent research indicates a favourable influence of postmenopausal hormone therapy (HT) if initiated early, but not late, on subclinical atherosclerosis. However, the clinical relevance of timing of HT initiation for hard end points such as stroke remains to be determined. Further, no previous research has considered the timing of initiation of HT in relation to haemorrhagic stroke risk. The importance of the route of administration, type, active ingredient, and duration of HT for stroke risk is also unclear. We aimed to assess the association between HT and risk of stroke, considering the timing of initiation, route of administration, type, active ingredient, and duration of HT. METHODS AND FINDINGS Data on HT use reported by the participants in 5 population-based Swedish cohort studies, with baseline investigations performed during the period 1987-2002, were combined in this observational study. In total, 88,914 postmenopausal women who reported data on HT use and had no previous cardiovascular disease diagnosis were included. Incident events of stroke (ischaemic, haemorrhagic, or unspecified) and haemorrhagic stroke were identified from national population registers. Laplace regression was employed to assess crude and multivariable-adjusted associations between HT and stroke risk by estimating percentile differences (PDs) with 95% confidence intervals (CIs). The fifth and first PDs were calculated for stroke and haemorrhagic stroke, respectively. Crude models were adjusted for age at baseline only. The final adjusted models included age at baseline, level of education, smoking status, body mass index, level of physical activity, and age at menopause onset. Additional variables evaluated for potential confounding were type of menopause, parity, use of oral contraceptives, alcohol consumption, hypertension, dyslipidaemia, diabetes, family history of cardiovascular disease, and cohort. During a median follow-up of 14.3 years, 6,371 first-time stroke events were recorded; of these, 1,080 were haemorrhagic. Following multivariable adjustment, early initiation (<5 years since menopause onset) of HT was associated with a longer stroke-free period than never use (fifth PD, 1.00 years; 95% CI 0.42 to 1.57), but there was no significant extension to the time period free of haemorrhagic stroke (first PD, 1.52 years; 95% CI -0.32 to 3.37). When considering timing as a continuous variable, the stroke-free and the haemorrhagic stroke-free periods were maximal if HT was initiated approximately 0-5 years from the onset of menopause. If single conjugated equine oestrogen HT was used, late initiation of HT was associated with a shorter stroke-free (fifth PD, -4.41 years; 95% CI -7.14 to -1.68) and haemorrhagic stroke-free (first PD, -9.51 years; 95% CI -12.77 to -6.24) period than never use. Combined HT when initiated late was significantly associated with a shorter haemorrhagic stroke-free period (first PD, -1.97 years; 95% CI -3.81 to -0.13), but not with a shorter stroke-free period (fifth PD, -1.21 years; 95% CI -3.11 to 0.68) than never use. Given the observational nature of this study, the possibility of uncontrolled confounding cannot be excluded. Further, immortal time bias, also related to the observational design, cannot be ruled out. CONCLUSIONS When initiated early in relation to menopause onset, HT was not associated with increased risk of incident stroke, regardless of the route of administration, type of HT, active ingredient, and duration. Generally, these findings held also for haemorrhagic stroke. Our results suggest that the initiation of HT 0-5 years after menopause onset, as compared to never use, is associated with a decreased risk of stroke and haemorrhagic stroke. Late initiation was associated with elevated risks of stroke and haemorrhagic stroke when conjugated equine oestrogen was used as single therapy. Late initiation of combined HT was associated with haemorrhagic stroke risk.