22 September 2022 In General Health

We aimed to investigate whether alcohol intake contributes to lung function levels and which beverage type may have an effect. We investigated 3742 participants from the Wuhai-Zhuhai Cohort and 12,526 participants from the Dongfeng-Tongji Cohort, and they were followed up for 3 and 5 years, respectively. Information on the type and daily amount of alcohol intake was collected through face-to-face interviews. Lung function was measured by trained physicians using electronic spirometers. Compared with nondrinkers, moderate alcohol intake was significantly associated with a 70.03 and 74.92 mL increase in FEV1 and FVC, respectively (P < 0.05), after adjusting for covariates. With regard to beverage type, red wine was associated with a 105.31 and 98.91 mL increase in FEV1 and FVC, respectively (P < 0.05). Moderate alcohol intake was also associated with a 53.37 and 66.17 mL increase in FEV1 and FVC for liquor, respectively, and a 106.90 and 103.62 mL increase for red wine (all Ps < 0.05). In the longitudinal analyses, moderate alcohol intake and red wine were associated with a 67.77 and 103.77 mL increase in FVC, respectively (P < 0.05). Moderate alcohol intake is associated with increased lung function, especially for red wine. Further studies are needed to investigate the potential mechanism.

26 August 2022 In Diabetes

PURPOSE: To compare acute effects of moist snuff with or without nicotine and red wine with or without alcohol on prandial hormones and metabolism.

BASIC PROCEDURES AND METHODS: Two deciliters of wine, with or without alcohol, were taken together with a standardized supervised meal in 14 healthy women and men. All participants also combined the meal with usage of with moist snuff, with or without nicotine. The snuff was replaced hourly at each of the four settings, i.e. snuff with or without nicotine combined with red wine with or without alcohol, that started at 0800 o'clock and were finished at noon.

MAIN FINDINGS: We found ghrelin levels to be more efficiently suppressed when drinking red wine with alcohol compared to non-alcoholic wine by analyzing area under the curve (AUC). AUC for regular wine was 370 +/- 98 pg/ml x hours and 559 +/- 154 pg/ml x hours for de-alcoholized red wine, p < 0.0001 by general linear model. The postprandial metabolic rate was further elevated following alcohol containing red wine compared with non-alcoholic red wine (p = 0.022). Although glucose levels were not uniformly lower after alcoholic red wine, we found lowered glucose levels 3 h after the meal (mean glucose wine: 4.38 +/- 0.96 mmol/l, non-alcoholic wine: 4.81 +/- 0.77 mmol/l, p = 0.005). Nicotine-containing moist snuff (AUC: 1406 +/- 149 nmol/ml x hours) elevated the levels of serum cortisol compared with nicotine-free snuff (AUC: 1268 +/- 119 nmol/ml x hours, p = 0.005). We found no effects of nicotine or alcohol on feelings of satiety.

CONCLUSIONS: Alcohol in red wine augmented the postprandial suppression of ghrelin and it also lowered postprandial glucose 3 h post-meal. These effects are in line with observational trials linking regular intake of moderate amounts of red wine with lower risk for diabetes.

15 June 2022 In Cardiovascular System

Evidence from research studies reports that wine consumption is associated with lower cardiovascular disease risk, partly through the amelioration of oxidative stress. The aim of the present study was to examine the effect of regular light to moderate wine consumption from coronary heart disease (CHD) patients compared to the effect induced by alcohol intake without the presence of wine microconstituents, on oxidation-induced macromolecular damage as well as on endogenous antioxidant enzyme activity. A randomized, single-blind, controlled, three-arm parallel intervention was carried out, in which 64 CHD patients were allocated to three intervention groups. Group A consumed no alcohol, and Group B (wine) and Group C (ethanol) consumed 27 g of alcohol/day for 8 weeks. Blood and urine samples were collected at baseline and at 4 and 8 weeks. Urine oxidized guanine species levels, protein carbonyls, thiobarbituric acid substances (TBARS) levels, as well as superoxide dismutase (SOD) and glutathione peroxidase (GPx) activities, were measured. Oxidized guanine species and protein carbonyl levels were significantly increased in the ethanol group during the intervention and were significantly decreased in the wine group. These results support the idea that wine's bioactive compounds may exert antioxidant actions that counteract the macromolecular oxidative damage induced by alcohol in CHD patients.

22 October 2021 In Cardiovascular System

Postmenopausal women are at higher risk of developing cardiovascular diseases due to changes in lipid profile and body fat, among others. The aim of this study was to evaluate the association of urinary tartaric acid, a biomarker of wine consumption, with anthropometric (weight, waist circumference, body mass index (BMI), and waist-to-height ratio), blood pressure, and biochemical variables (blood glucose and lipid profile) that may be affected during the menopausal transition.

This sub-study of the PREDIMED (Prevencion con Dieta Mediterranea) trial included a sample of 230 women aged 60-80 years with high cardiovascular risk at baseline. Urine samples were diluted and filtered, and tartaric acid was analyzed by liquid chromatography coupled to electrospray ionization tandem mass spectrometry (LC-ESI-MS/MS).

Correlations between tartaric acid and the study variables were adjusted for age, education level, smoking status, physical activity, BMI, cholesterol-lowering, antihypertensive, and insulin treatment, total energy intake, and consumption of fruits, vegetables, and raisins.

A strong association was observed between wine consumption and urinary tartaric acid (0.01 mug/mg (95% confidence interval (CI): 0.01, 0.01), p-value < 0.001). Total and low-density lipoprotein (LDL) cholesterol were inversely correlated with urinary tartaric acid (-3.13 mug/mg (-5.54, -0.71), p-value = 0.016 and -3.03 mug/mg (-5.62, -0.42), p-value = 0.027, respectively), whereas other biochemical and anthropometric variables were unrelated. The results suggest that wine consumption may have a positive effect on cardiovascular health in postmenopausal women, underpinning its nutraceutical properties.

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