BACKGROUND: Whether cigarette smoking and moderate drinking are associated with non-alcoholic fatty liver disease (NAFLD)has not been fully described. This study investigated the separate and joint effects of smoking and moderate drinking on Chinese men with NAFLD.

METHODS: Across-sectional assay from DFTJ Cohort study was performed with a size of 9432 elderly Chinese men excluding excessive alcohol consumption (<210g/week). Fatty liver was diagnosed by standardized ultrasonographic inspection. The odds ratio (OR) of alcohol consumption and smoking for the prevalence of NAFLD were analyzed using multiple logistic regression with multiple adjustments.

RESULTS: The prevalence of NAFLD in current smokers (pack-year>/=40) and drinkers (80~210g/week or drinking duration>/=35years) was significantly higher than that in non-smokers and non-drinkers, respectively. The combination of current smoking (pack-year>/=40) and drinking (80~210g/week) was associated with the highest risk of NAFLD (OR 1.85; 95% confidence interval [CI] 1.28-2.68;P<0.01). The similar combined effect was found in participants with pack-year>/=40 and drinking duration>/=35 years (OR 1.72; 95% CI 1.26-2.34;P<0.01). Moreover, an interaction was observed between current smoking and moderate drinking in NAFLD.

CONCLUSIONS: In elderly Chinese men, cigarette smoking and moderate alcohol consumption exerts an evident joint effect and interaction on the prevalence of NAFLD, although both are significantly and independently associated with NAFLD prevalence. Such findings highlight particular significance of avoidance of cigarette and alcohol on NAFLD prevention.

Published in Liver Disease

Falls are a major health problem in older adults, but their relationship with alcohol consumption in this population remains unclear. In a cohort with 2170 older adults followed up for 3.3 years, both moderate drinking and the Mediterranean drinking pattern were associated with a lower risk of falls and injurious falls.

INTRODUCTION: This study aims to examine the association between certain patterns of alcohol consumption, including the Mediterranean drinking pattern (MDP), and the risk of falls in older adults.

METHODS: A prospective cohort with 2170 community-dwelling individuals aged >/=60 years was recruited in Spain in 2008-2010 and followed up through 2012. At baseline, participants reported alcohol consumption and, at the end of follow-up, their falls during the previous year. The MDP was defined as moderate alcohol consumption (threshold between moderate and heavy intake was 40 g/day for men and 24 g/day for women) with preference for wine and drinking only with meals. Analyses were conducted with negative binomial or logistic regression, as appropriate, and adjusted for the main confounders.

RESULTS: Compared with never drinkers, the number of falls was lower in moderate drinkers (incidence rate ratio (95% confidence interval), 0.79 (0.63-0.99)) and drinkers with MDP (0.73 (0.56-0.96)). Also, moderate drinkers and those with MDP showed a lower risk of >/=2 falls (odds ratio (95% confidence interval), 0.58 (0.38-0.88) and 0.56 (0.34-0.93), respectively) and of falls requiring medical care (0.67 (0.46-0.96) and 0.61 (0.39-0.96), respectively).

CONCLUSION: Both moderate drinking and the MDP were associated with a lower risk of falls and injurious falls in older adults. However, sound advice on alcohol consumption should balance risks and benefits.

Published in Drinking Patterns

Background: Hydroxytyrosol is a phenolic compound that is present in virgin olive oil (VOO) and wine. Hydroxytyrosol-related foods have been shown to protect against cardiovascular disease (CVD).

Objective: We investigated the associations between hydroxytyrosol and its biological metabolite, 3-O-methyl-hydroxytyrosol, also known as homovanillyl alcohol (HVAL), with CVD and total mortality.

Design: We included 1851 men and women with a mean +/- SD age of 66.8 +/- 6 y at high risk of CVD from prospective cohort data. The primary endpoint was a composite of myocardial infarction, stroke, and death from cardiovascular causes; the secondary endpoint was all-cause mortality. Twenty-four-hour urinary hydroxytyrosol and HVAL and catechol-O-methyltransferase (COMT) rs4680 genotypes were measured.

Results: After multivariable adjustment, all biomarkers were associated, as a continuous variable, with lower CVD risk, but only HVAL showed a strong inverse association (HR: 0.44; 95% CI: 0.25, 0.80) for the comparison between quintiles. Only HVAL, as a continuous variable, was associated with total mortality (HR: 0.81; 95% CI: 0.70, 0.95). Individuals in the highest quintile of HVAL compared with the lowest had 9.2 (95% CI: 3.5, 20.8) and 6.3 (95% CI: 2.3, 12.1) additional years of life or years free of CVD, respectively, after 65 y. Individuals with the rs4680GG genotype had the highest HVAL concentrations (P = 0.05). There was no association between COMT genotypes and events or interaction between COMT genotypes and HVAL concentrations.

Conclusions: We report, for the first time to our knowledge, an independent association between high urinary HVAL concentrations and a lower risk of CVD and total mortality in elderly individuals. VOO and wine consumption and a high metabolic COMT capacity for methylation are key factors for high HVAL concentrations. The association that stems from our results reinforces the benefits of 2 key components of the Mediterranean diet (wine and VOO). This trial was registered at as ISRCTN35739639

Published in Cardiovascular System

BACKGROUND & AIMS: The ingestion of small to moderate alcohol consumption amounts has been associated to cardiovascular protection. This study aimed to evaluate the association between alcohol consumption and coronary artery disease severity.

MATERIAL AND METHODS: Cross-sectional Study with patients undergoing coronary angiography. Age, cardiovascular risk factors (smoking, systemic arterial hypertension, dyslipidemia and diabetes) and alcohol drinking habit were investigated. Alcohol consumption was divided in three categories: nondrinker, moderate alcohol consumption (less than 15 g ethanol/day for women or 30 g ethanol/day for men) and heavy alcohol consumption. Coronary artery disease severity was assessed through the Friesinger Score (FS) in the coronary angiography, by interventional cardiologists blinded to alcohol consumption.

RESULTS: The final sample included 363 adults; of those, 228 were men (62.81%). Mean age was 60.5 +/- 10.9 y. Unadjusted analyses identified sex, age, hypertension, diabetes, dyslipidemia and alcohol consumption as the main covariates associated with the Friesinger score. Lower Friesinger scores were also observed in moderate alcohol consumption when comparing to those who do not drink (RR 0.86; 95% CI 0.79-0.95).

CONCLUSION: Among patients with suspected coronary artery disease undergoing coronary angiography, moderate alcohol consumption is associated to a lower coronary artery disease severity than heavy drinking.

Published in Cardiovascular System
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