Why even moderate drinking is problematic

All it takes is a two-drinks-a-day habit to potentially adversely affect the brain, new research suggests.

A 30-year study of 550 middle-aged heavy drinkers, moderate drinkers and teetotallers found that even moderate consumption of alcohol is linked to changes in brain structure and an increased risk of worsening brain function.

People who drink more than 30 units a week on average have the highest risk, but even those who drink moderately — between 14 and 21 units a week — are far more likely than abstainers to have hippocampal atrophy, the research shows.

The British researchers found no

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