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Alcohol in blood protects brain injury damage

Having low levels of alcohol in the blood may protect the brain from the effects of a head injury, a study says. The University of Toronto team found head injury patients who had drunk low amounts were 24% less likely to die than those who had not had any alcohol. They said, "Alcohol might one day be used as part of emergency treatment for some head injury patients". But, they said the study, which appears in the journal Archives of Surgery, should not encourage people to drink.


Overall, people are still at much greater risk of dying if they drive while intoxicated. When the brain suffers a severe injury, it is not just the immediate damage caused by the accident that can cause problems.


Over the next few hours, the body launches a natural defence mechanism which can lead to swelling, inflammation and further destruction of brain cells. In some cases it is this reaction, called "secondary brain injury", which can kill or leave the victim with severe disabilities. However, the study authors cautioned that this should not be interpreted as an invitation to drink for the good of your health."


They suggested that there might be a role for putting severe head injury patients on an alcohol-based drip during resuscitation to improve their chances of recovery. Dr Will Townend, a consultant in emergency medicine at Hull Royal Infirmary, said that the "vast majority" of people attending his department had alcohol in their bloodstream.

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