23 February 2023 In Cancer


Alcohol drinking behaviors change temporally and can lead to changes in related cancer risks; previous studies have been unable to identify the association between the two using a single-measurement approach.

Thus, this study aimed to investigate the association of drinking trajectories with the cancer risk in Korean men.

Methods A trajectory analysis using group-based trajectory modeling was performed on 2,839,332 men using data on alcohol drinking levels collected thrice during the Korean National Health Insurance Service's general health screening program conducted between 2002 and 2007. Cox proportional hazards regression was performed to evaluate the associations between drinking trajectories and cancer incidence, after adjustments for age, income, body mass index, smoking status, physical activity, family history of cancer, and comorbidities.ResultsDuring 10.5 years of follow-up, 189,617 cancer cases were recorded.

Six trajectories were determined: non-drinking, light, moderate, decreasing-heavy, increasing-heavy, and steady-heavy. Light-to-heavy alcohol consumption increased the risk for all cancers combined in a dose-dependent manner (adjusted hazards ratio, 95% confidence interval for trajectories = 1.03, 1.02-1.05; 1.06, 1.05-1.08; 1.19, 1.16-1.22; 1.23, 1.20-1.26; and 1.33, 1.29-1.38; respectively [p-trend <0.001]). Light-to-heavy alcohol consumption was linked to lip, oral cavity, pharyngeal, esophageal, colorectal, laryngeal, stomach, and gallbladder and biliary tract cancer risks, while heavy alcohol consumption was associated with hepatic, pancreatic, and lung cancer risks. An inverse association was observed for thyroid cancer. The cancer risks were lower for decreasing-heavy drinkers, compared to steady-heavy drinkers.ConclusionNo safe drinking limits were identified for cancer risks; reduction in heavy intake had protective effects.

25 August 2020 In Liver Disease

BACKGROUND: Favorable association between modest alcohol consumption and cardiovascular disease had been reported in general population, however, whether observed benefit extend to men with established fatty liver disease remains unknown.

METHODS: Cross-sectional study of 10,581 consecutive male participants aged 30 years or older undergoing abdominal ultrasonography and carotid artery ultrasonography were screened. Non-alcoholic fatty liver disease (NAFLD) was diagnosed with ultrasonography and exclusion of secondary causes for fat accumulation or other causes of chronic liver disease. Modest alcohol use was defined as consumption of less than 20 g of alcohol per day.

RESULTS: There were total 2280 men diagnosed with fatty liver, and the mean age was 51.8 years old. Among them, 1797 were modest alcohol drinkers. The prevalence of carotid plaques (55.3% vs. 43.4%, p < 0.001) and carotid artery stenosis (11.0% vs. 5.5%, p < 0.001) was higher in non-drinkers than modest drinkers. Modest alcohol consumption had the independent inverse association with carotid plaques [odd ratio (OR): 0.74, 95% confidence interval (CI): 0.60-0.92] and carotid artery stenosis (OR: 0.62, 95% CI: 0.43-0.90), adjusted for age, smoking and metabolic syndrome.

CONCLUSIONS: Modest alcohol consumption had a favorable association with carotid plaque or CAS in men with NAFLD

24 October 2019 In Diabetes

BACKGROUND/AIM: Although alcohol consumption is known to affect the incidence of diabetes mellitus (DM), reports on the effects of moderate alcohol consumption on DM incidence have been inconsistent. This community-based prospective cohort study was performed to investigate the incidence of DM in male Korean moderate alcohol drinkers.

METHODS: The Ansan and Ansung cohort was used for the analysis. The study population included a total of 3,492 men with no history of DM. The subjects were classified as mild (1-14 g/d), moderate (15-29 g/d), and heavy (>/=30 g/d) drinkers based on their amount of alcohol consumption. The incidence rates of DM in the three groups were compared and analyzed over a 10 year follow-up period.

RESULTS: The hazard ratios (HRs) for DM incidence were 25.12 (95% confidence interval [CI], 21.73-28.90) per 1,000 person years (PY) in mild drinkers, 31.13 (26.11-36.83) per 1,000 PY in moderate drinkers, and 31.68 (26.81-37.18) per 1,000 PY in heavy drinkers (p for trend, p = 0.043). Multivariate regression analysis showed that the HRs (95% CI) for DM were 1.25 (0.97-1.61, p = 0.086) in moderate drinkers and 1.30 (1.01-1.68, p = 0.045) in heavy drinkers compared to mild drinkers. The changes in pancreatic insulin secretion were more remarkable than those in insulin resistance in all three groups.

CONCLUSIONS: The incidence of DM in male Korean moderate drinkers did not increase significantly over the observation period. However, the incidence of DM tended to increase with increasing alcohol consumption. Pancreatic insulin secretion may play a more important role than insulin resistance in the relationship between alcohol and incidence of DM.

29 October 2018 In Cardiovascular System

Background: To assess sex-specific associations between risk-based alcohol drinking levels and the 10-year cardiovascular disease (CVD) risk scores and cardiovascular (CV) risk factors.

Methods: Data from 9,995 Koreans (4,249 men, 5,746 women), aged 40 to 79 years who did not have CVD and participated in the 2011 to 2013 Korea National Health and Nutrition Examination Survey, were used to assess risk-based alcohol drinking levels in the past year (no drinking, drinking at low risk, and drinking at risk) categorized by the National Institute on Alcohol Abuse and Alcoholism, components of the 10-year CVD risk scores using the Adult Treatment Panel III risk score and the 10-year hard atherosclerotic CVD risk score, CV risk factors, and confounding factors (age, smoking status, body mass index, educational attainment, income level, and physical activity).

Results: Drinking levels had positive associations with blood pressure and levels of glucose, triglycerides, and high-density lipoprotein cholesterol (HDL-C) and inverse associations with levels of low-density lipoprotein cholesterol and non-HDL-C and ratio of total cholesterol (TC) to HDL-C in men, while higher drinking levels were associated with higher HDL-C levels and lower ratio of TC to HDL-C in women after adjusting for confounding factors (p for trend < 0.001). With respect to the 10-year CVD risk scores, higher drinking levels were associated with lower scores in both sexes (p for trend < 0.001).

Conclusions: Risk-based drinking levels were more likely to have dose-dependent associations with CV risk factors in men than in women and had inverse relationships with 10-year CVD risk in both men and women.

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