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Heavy Drinking in Midlife Increases Stroke Risk more than Diabetes – Blaine Pollock

by / 0 Comments / 26 View / January 30, 2015

 

Studies are now showing that heavy drinking in midlife was found to increase the risk of stroke by 34%, compared with light drinking.

It is a well known fact that high blood pressure and diabetes can raise the risk of stroke.  But a new twin study finds that, for middle-aged individuals, there may be one factor that increases this risk even more: heavy alcohol use.

Pavla Kadlecová, a statistician at the International Clinical Research Center of St. Anne’s University Hospital in the Czech Republic, and colleagues found that drinking more than two alcoholic drinks a day during middle age increases the risk of stroke by more than a third.

The team publishes their findings in Stroke – a journal of the American Heart Association (AHA).

Each year, more than 795,000 people in the US have a stroke. The condition is also responsible for almost 130,000 deaths each year, making it one of the leading causes of death in the country.

High Blood Pressure (hypertension), diabetes, smoking and high cholesterol are among the major, well-known risk factors for stroke are among the major, well-known risk factors for stroke.  Prior studies have indicated that heavy alcohol use is also an important risk factor for stroke, but Kadlecová and colleagues say their study is the first to look at how this risk is varied by age.

The team analyzed 11,644 same-sex twins from the Swedish Twin Registry.  Between 1967 and 1970 – when the participants were below the age of 60 – they completed dietary questionnaires, from which researchers could gather information on their alcohol consumption.

The twins were followed for around 43 years, until 2010. The researchers analyzed their health data over this period, including hospital discharge information and details on causes of death, as well as information on smoking, blood pressure and diabetes, among other health risks.

During the follow-up period, almost 30% of participants had a stroke.  The researchers divided the participants into three groups dependent on their alcohol consumption at study baseline: “light” drinkers (half an alcoholic drink a day), “moderate” drinkers (up to two drinks a day) and “heavy” drinkers (more than two drinks a day).

The researchers note that these definitions for alcohol consumption are in line with recommendations from the AHA, which state that a man should drink no more than two alcohol beverages a day and a woman should consume no more than one.

The team found that participants classed as heavy drinkers were 34% more likely to have a stroke than those classified as light drinkers.  Participants who engaged in heavy drinking in their 50s and 60s were likely to suffer a stroke around 5 years earlier than those who were light drinkers.

Siblings who had a stroke were found to use more alcohol than their identical twins who did not have a stroke, indicating that heavy alcohol consumption during middle age raises stroke risk independently of genetic and early-life factors.

On comparing the effects of alcohol consumption on stroke risk with the effects of traditional risk factors – such as high blood pressure and diabetes – the team found that alcohol consumption was a much larger influence during middle age. However, high blood pressure and diabetes appeared to be stronger risk factors for stroke from the age of 75 and over.

While many studies have associated heavy alcohol consumption with negative health implications, a recent study reported by Medical News Today found that drinking up to seven drinks a week may reduce the risk of heart failure.

 

Author: Blaine Pollock

Philanthropist and Businessman, Blaine Pollock is the creative force behind World News MD/Depression.net.  Blaine is also the author of the newly released Children’s Book “O My Walter”.   Find the magical book, “O My Walter” at www.omywalter.com

Mr. Pollock has dedicated his life to providing global health services and education.  You can also follow Blaine Pollock at www.blainepollock.com and www.blainepollock.net

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