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Although evidence showed the adverse effects of air pollution on cardiovascular disease (CVDs), few studies were based on medically insured populations. We applied a generalized additive Poisson model (GAM) to estimate the short-term effects of ambient air pollution on a group of medically insured population in Wuhan, China. We extracted daily air pollution data, meteorological data, and daily hospital visits for CVDs. We found that the ambient air pollutants sulfur dioxide (SO2), nitrogen dioxide (NO2), ground-level ozone (O3) particulate matter (PM) with an aerodynamic diameter ≤10 μm (PM10), and those ≤2.5 μm (PM2.5) all increased the risk of daily hospital visits for CVDs. We also found that the effect of air pollution on daily hospital visits for CVDs is greater in the cold season than in the warm season. Our findings can be used as evidence that supports the formulation of policies for air pollution and CVDs. [ABSTRACT FROM AUTHOR]

Background and Aims: Current evidence of the association between egg consumption and cardiovascular diseases (CVD) is controversial. We aim to investigate the longitudinal association between egg consumption and the risk of CVD among Chinese adults., Methods and Results: A total of 16,030 adults who attended China Health and Nutrition Survey 1991-2015 were included in this study. Egg consumption was collected with 3-day 24-h recall method supplemented by household inventory record. Cumulative mean egg intake during 1991-2011 were calculated as the habitual intake. CVD incidence was self-reported as being diagnosed by physicians following study entry. The association between egg consumption and incident CVD was examined using Cox regression. The mean age (SD) of the study population was 43.7 (14.8) years and 51% were women. During a 9.9-year (median 9.0) follow up, 663 CVD incidents were reported. The corresponding incident rate (per 1000 person-year) by egg consumption level of none, 1-20, 21-50, and 50+gram/day was 2.6, 4.8, 4.2, 5.5 (P < 0.001) with the unadjusted HR (95% CI) of 1.0, 1.42 (1.12-1.80), 1.31 (1.02-1.67), 2.01 (1.53-2.64). After adjusted for demo socioeconomic, and behaviour factors, egg consumption>50 g/day increased the CVD incident by 43% (HR 1.43, 95% CI 1.02-2.00. BMI, hypertension, and diabetes mediated the association between egg consumption and CVD., Conclusion: Higher egg intake, as part of the modern dietary pattern high in sugars, fat, and animal-source foods, increased the risk of CVD. The effect of egg on CVD incident was partly mediated by overweight/obesity, hypertension, and diabetes., Competing Interests: Conflict of interest None., (Copyright © 2024 The Italian Diabetes Society, the Italian Society for the Study of Atherosclerosis, the Italian Society of Human Nutrition and the Department of Clinical Medicine and Surgery, Federico II University. Published by Elsevier B.V. All rights reserved.)

Background and Aim: Cardiovascular diseases (CVD) is a major threat to public health, while cardiorespiratory fitness (CRF) is a key predictor of chronic disease. Given this, the purpose of this study was to investigate the relationship between estimated CRF (eCRF) and CVD in middle-aged and elderly Chinese people., Methods and Results: The China Health and Retirement Longitudinal Study (CHARLS) with 4761 individuals were included in analysis. Participants were divided into three groups according to eCRF quantile in sex subgroups. Cox proportional hazards regression models were used to explore the correlation of eCRF with CVD (stroke or cardiac events). In total, 4761 participants were included in this cohort study (2500 [52.51%] women). During a 7-year follow-up from 2011 to 2018, 796 CVDs (268 Strokes and 588 cardiac events) were recorded. In multivariable-adjusted analyses, for per 1 SD increase of eCRF, the age-adjusted risk of CVD was reduced by about 18% (HR = 0.82; 95% CI, 0.72-0.93) in men, and was reduced by about 29% (HR = 0.71; 95% CI, 0.62-0.81) in women. Similar associations were also found between eCRF and stroke and cardiac events. Both subgroup and interaction analyses showed that the interaction of age had a statistically significant effect on CVD risk., Conclusion: ECRF was inversely associated with CVD risk (stroke or cardiac events) in both men and women. Remarkable sex and age differences exist in the effectiveness of increasing eCRF to reduce the risk of CVD. As a potential, efficient and cost-effective risk prediction tool, eCRF deserves further attention and wide application., (Copyright © 2024 The Italian Diabetes Society, the Italian Society for the Study of Atherosclerosis, the Italian Society of Human Nutrition and the Department of Clinical Medicine and Surgery, Federico II University. Published by Elsevier B.V. All rights reserved.)