What is the Relationship between Alcohol and Blood Pressure? – Medical News Bulletin

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A cross-sectional study takes a detailed look at the association between alcohol and blood pressure and hypertension in a mixed Brazilian population.

Hypertension is a condition of consistent increased blood pressure that can contribute to a number of medical conditions. The association between alcohol and blood pressure has been investigated extensively in medical literature. There can be several side effects and complications from increased blood pressure including a greater risk for stroke, heart disease, and death. Over 85 million people have high blood pressure in the United States. Medically a blood pressure reading higher than 130 over 80 mmHg is defined as hypertension in accordance with the American Heart Association. Hypertension is a silent killer as it is, for the large part, asymptomatic.

Previous studies have been done regarding the connections between alcohol and blood pressure. However, a study exclusive to a Brazilian population is unique. This study was conducted to examine the associations between alcohol and blood pressure on a volunteer population of 7,655 participants, which included persons of both genders, between the ages of 35 and 74 years. The period of study was from 2008 to 2010 and involved interviews conducted at six educational institutions across three regions of Brazil. The study was published in January 2018 in the PLoS ONE journal.

The research included data such as socio-demographic background, lifestyle data, health status and other particulars. Educational background, ethnicity, and as smoking habits, were also recorded as part of the study. The researchers also included variables such as body mass index (BMI), physical activity levels, and waist circumference.

Alcohol was Associated with Blood Pressure

An important finding of this study was the confirmation of a positive linear association between alcohol and blood pressure in both sexes; meaning, as alcohol consumption increased, so did blood pressure. This was seen to be a deviation from other studies that indicated some protective effects of alcoholic beverages in moderate amounts. It was also seen that participants of the study with a higher per capita income and higher education levels had more opportunities for excessive alcohol consumption than their peers. Significant associations were also seen between elevated levels of blood pressure and higher weight as well as abdominal obesity. Based on patterns observed in the population, the researchers concluded that the consumption over seven drinks a week outside of meals led to a significant association with elevated blood pressure levels.

It was seen that gender, race, and also physical activity had a significant impact on the blood pressure levels of participants in this study. Women, whites, and physically active subjects who frequently consumed alcohol with meals were reported to have better outcomes in their blood pressure. The data obtained from the study also indicates that concerns about earlier starts in alcohol consumption in the Brazilian population can result in increased health and social problems. It is also associated with subsequent abuse of alcohol consumption in adulthood.

Written by Sonia Leslie Fernandez, Medical News Writer

References: Santana, N. M. T., Mill, J. G., Velasquez-Melendez, G., Moreira, A. D., Barreto, S. M., Viana, M. C., & Molina, M. D. C. B. (2018). Consumption of alcohol and blood pressure: Results of the ELSA-Brasil study. PloS one13(1), e0190239.



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