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Drinking a pint of beer a day could improve the health of your heart, research shows.
Scientists
found blood flow to the heart improved within a couple of hours of
polishing off two-thirds of a pint - and that the effect was more
powerful than drinking a non-alcoholic equivalent.
Arteries
became more flexible and blood flow improved within a couple of hours
of drinking the equivalent of two-thirds of a pint.
But alcohol-free beer did not have the same powerful effect, the study found.
Drink up!: Greek researchers found that drinking
just small quantities of beer helped boost circulation which is crucial
to heart health
The findings, by researchers in
Greece, support previous evidence that moderate beer consumption may
protect against heart disease.
Some evidence suggests a pint a day may reduce the risk of heart attacks and strokes by up to 30 per cent.
But
this is believed to be one of the first studies to look at what
actually happens to the cardiovascular system immediately after a pint
is downed.
Britain guzzles its way through 130 pints of beer per person a year.
Scientists at Harokopio University in Athens recruited 17 non-smoking men aged in their late twenties and early thirties.
The research adds to the body of evidence that beer helps to maintain a healthy heart
Each one had their cardiovascular
health measured within an hour or two of drinking 400ml of beer -
equivalent to just over two-thirds of a pint.
They later they had the same tests done after drinking the same amount of alcohol-free beer or a measure of vodka.
Researchers
tested for endothelial function - a measure of how easily blood passes
through major arteries - as well as aortic stiffness, a check designed
to assess whether blood vessels are nice and relaxed or beginning to
harden.
The results,
published online in the journal Nutrition, showed all three drinks had
some beneficial effect on the stiffness of arteries but beer had the
greatest benefit.
In a
report on their findings the researchers said: ‘Endothelial function was
significantly improved only after beer consumption.’
They said the combination of alcohol and antioxidants in beer may be crucial to the drink’s healthy effects.
Darker beers, like stouts and ales, have been shown to be better for the heart than lager.
Heart
disease is Britain’s biggest killer. Around 270,000 people a year
suffer a heart attack and nearly one in three die before they reach
hospital.
Fatty diets, lack of exercise and smoking are all key risk factors.
Although
excess alcohol consumption is thought to increase the dangers of heart
disease, moderate intake of beer and wine has been shown to have a
protective effect.
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