Scientists have unpicked the brain processes involved in teenage alcohol abuse and say their findings help explain why some young people have more of a tendency to binge drink, Reuters reports. A study published in the Proceedings of National Academy of Sciences (PNAS) journal found that a gene known as RASGRF-2 plays a crucial role in controlling how alcohol stimulates the brain to release dopamine, triggering feelings of reward.

"If people have a genetic variation of the RASGRF-2 gene, alcohol gives them a stronger sense of reward, making them more likely to be heavy drinkers," said Gunter Schumann, who led the...

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