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  health > heart > story pageAIDSAgingAlternative MedicineCancerChildrenDiet & FitnessMenWomen

Some alcohol may benefit liver, animal study suggests

graphic
 

From Medical Correspondent Rhonda Rowland

November 8, 1999
Web posted at: 3:05 p.m. EST (2005 GMT)


In this story:

Alcohol and the heart

RELATED STORIES, SITES icon



DALLAS (CNN) -- Liver specialists meeting in Dallas heard surprising results from an animal study recently, showing that light alcohol consumption seemed to speed the recovery of damaged livers in rats.

And if the results can be extrapolated to humans, researcher Dr. Gerald Minuk of the University of Manitoba said, they "cause us to revisit what we are advising our patients who are interested in having one to two drinks per day but who are concerned about what effects that might have on the liver."

The research was presented at the meeting of the American Association for the Study of Liver Disease.

In the study, scientists divided 86 rats, who had a portion of their livers surgically removed, into four groups. The group receiving high concentrations of alcohol showed inhibition of liver repair, as expected. The moderate consumption group, and the control group, which got water, showed neither bad nor good effects on the liver.

But interestingly, the light consumption group had a more rapid recovery and an increase in liver repair. Researchers speculate that small amounts of alcohol may activate some protective genes.

Minuk's research was funded by the Medical Research Council of Canada and the University of Manitoba.

Alcohol and the heart

If light alcohol consumption is proven beneficial for the liver, liver specialists and heart doctors could eventually offer similar guidance on drinking.

Preventative cardiologist Dr. Lawrence Sperling of Emory University said some studies have shown a beneficial role for limited alcohol consumption in heart health. "I think there is evidence to tell us that a small amount of alcohol, maybe one drink a day, can protect individuals from heart disease and stroke," he said.

Over the past several years, studies have suggested that red wine and the flavonoids found in dark beer can boost levels of good cholesterol and prevent blood clotting. Still, most doctors are reluctant to recommend alcohol.

And both heart and liver specialists agree that there would be no benefit to saving up alcohol points and bingeing on the weekend. They say these studies should not be used as an excuse to drink excessively.



RELATED STORIES:
Light drinking may help men avoid sudden cardiac death
August 30, 1999
A little drink may help some diabetics' hearts
July 19, 1999
The good effects of wine
July 7, 1999
Will wine help your heart?
July 6, 1999
Report: Low-fat diet, not wine, fights heart disease in France
May 28, 1999
Cabernet Sauvignon wine called good for arteries
April 26, 1999
Study: Moderate alcohol consumption may protect against stroke
January 5, 1999
A drink a day keeps the Grim Reaper away
December 10, 1997

RELATED SITES:
American Association for the Study of Liver Diseases
The University of Manitoba - UMinfo
Schools and Faculty
National Institute on Alcohol Abuse and Alcoholism
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