Researchers said the findings challenge the idea that light drinking could benefit brain healthDrinking any amount of alcohol could increase the risk of developing dementia, according to a study. They also suggest that cutting down alcohol consumption across the population could “play a significant role in dementia prevention”. Three measures related to alcohol consumption were used to explore the impact on dementia risk. Higher genetic risk for all three exposure levels was associated with an increased risk of dementia. “In contrast to other studies, the researchers found that even light alcohol consumption may also increase a person’s risk, when combined with genetic analysis.