24 June 2019 In General Health
Studies indicate an inverse association between moderate alcohol consumption and chronic inflammatory diseases; however, the association between alcohol consumption and chronic obstructive pulmonary disease (COPD) incidence has not been widely studied. We investigated the associations of total alcohol consumption and intake of specific alcoholic beverages with risk of COPD in a population-based prospective cohort study, the Cohort of Swedish Men (n = 44,254). Alcohol consumption was assessed with a self-administered questionnaire in 1997. During follow-up (1998-2014), 2,177 COPD cases were ascertained. Moderate alcohol consumption was associated with the lowest risk of COPD. A J-shaped association was observed for ethanol consumption (P for nonlinearity = 0.003) and beer consumption (P for nonlinearity < 0.001); for wine consumption, a U-shaped association was observed (P for nonlinearity < 0.001). Defining a "standard drink" as 12 g of ethanol, the multivariable-adjusted hazard ratios were 0.77 (95% confidence interval (CI): 0.66, 0.90) and 0.92 (95% CI: 0.81, 1.05) for beer consumption of 4.1-6.0 and >6.0 standard drinks/week (SDW) versus <1.0 SDW, respectively; 0.80 (95% CI: 0.69, 0.93) and 1.00 (95% CI: 0.83, 1.21) for wine consumption of 2.0-4.0 and >4.0 SDW versus <1.0 SDW, respectively; and 1.10 (95% CI: 0.98, 1.24) and 1.20 (95% CI: 0.99, 1.44) for liquor consumption of 2.0-4.0 and >4.0 SDW versus <1.0 SDW, respectively. In conclusion, our findings suggest that moderate beer and wine consumption, but not liquor consumption, may decrease risk of COPD. Additional studies are needed to confirm these associations.
24 June 2019 In Dementia

AIM: To evaluate the association between the amount and frequency of alcohol consumption and incident dementia in older Japanese adults using large sample size data over a long follow-up period.

METHODS: This was a retrospective cohort study carried out in Japan. A total of 53 311 older adults were followed from 2008 to 2014. A health checkup questionnaire was used to assess the amount and frequency of alcohol consumption. The Dementia Scale of long-term care insurance was used as a measure of incident dementia. Cox proportional hazards models were used to calculate adjusted hazard ratios, with their 95% confidence intervals, for the incidence of dementia across the categories of alcohol consumption by sex.

RESULTS: During a 7-year follow-up period, 14 479 participants were regarded as having incident dementia. Compared with non-drinkers, the multivariate adjusted hazard ratios for participants with alcohol consumption 2 units per day, occasionally (0.91, 95% 0.71-1.16 in men and 1.09, 95% 0.72-1.67 in women) and daily (0.89, 95% 0.81-1.00 in men and 1.16, 95% 0.84-1.81 in women) were not significant.

CONCLUSIONS: Alcohol consumption of </=2 units per day, occasionally or daily, could reduce the risk of incident dementia, with greater benefit for men with such daily consumption. Geriatr Gerontol Int 2019; **: **-**.

03 June 2019 In Cardiovascular System

BACKGROUND AND AIMS: The interrelationship between alcohol consumption and depression is complex, and the direction of the association is unclear. We investigated whether alcohol consumption influences the risk of depression while accounting for this potential bidirectionality.

METHODS: A total of 10 441 individuals participated in the PART study in 1998-2000, 8622 in 2001-2003, and 5228 in 2010. Participants answered questions on their alcohol consumption, symptoms of depression, childhood adversity, and sociodemographic, socioeconomic, psychosocial, and lifestyle factors. A total of 5087 participants provided repeated information on alcohol consumption. We used marginal structural models to analyze the association between alcohol consumption and depression while controlling for previous alcohol consumption and depressive symptoms and other time-varying confounders.

RESULTS: Non-drinkers had a higher depression risk than light drinkers (</=7 drinks/week) (risk ratio: 1.7; 95% confidence interval 1.3-2.1). Consumers of seven-fourteen drinks/week had a depression risk similar to that of light drinkers. Hazardous drinking was associated with a higher risk of depression than non-hazardous alcohol consumption (risk ratio: 1.8, 95% confidence interval: 1.4-2.4).

CONCLUSION: Light and moderate alcohol consumption and non-hazardous drinking were associated with the lowest risk of subsequent depression after accounting for potential bidirectional effects. Hazardous drinking increased the risk of depression.

03 June 2019 In Cardiovascular System

BACKGROUNDS: Views on the relationship between alcohol consumption and stroke risk remain controversial. Moreover, data on cumulative alcohol intake are limited. We examined the potential impact of cumulative alcohol consumption on the risk of total stroke and its subtypes in men.

METHODS: This prospective study included 23,433 men from the Kailuan Study. Cumulative alcohol consumption was taken as the primary exposure by calculating self-reported alcohol consumption from three consecutive examinations (in 2006, 2008, and 2010). The first occurrence of stroke was confirmed by reviewing medical records from 2010 to 2016. We used Cox proportional hazards regression to analyze the data.

RESULTS: During the 5.9 +/- 0.8 years of follow-up, 678 total strokes were identified, including 595 ischemic stroke (IS), 90 intracerebral hemorrhage and 19 subarachnoid hemorrhage cases. The adjusted hazard ratios (95% confidence intervals) of total stroke for light, moderate and heavy cumulative alcohol consumption were 1.23 (1.01-1.51), 1.49 (1.13-1.97), and 1.50 (1.21-1.86), respectively, compared with those of nondrinkers. The results were similar for IS. Cumulative alcohol consumption was not associated with intracerebral hemorrhage risk (hazard ratio 1.46; 95% confidence interval, 0.74-2.08).

CONCLUSIONS: Cumulative alcohol consumption is an independent risk factor of total stroke and IS in men in a community-based cohort. Even light alcohol intake increases the risk of total stroke and IS.

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