In the new study some 161 risk factors for dementia were examined, and ranked according to their impact on this brain network, over and above the natural effects of age
Diabetes, traffic-related air pollution and alcohol intake are among the most harmful controllable risk factors for dementia, a study suggests.
These were blood pressure, cholesterol, diabetes, weight, alcohol consumption, smoking, depressive mood, inflammation, pollution, hearing, sleep, socialisation, diet, physical activity, and education. Professor Gwenaelle Douaud, who led the study, said: “We know that a constellation of brain regions degenerates earlier in ageing, and in this new study we have shown that these specific parts of the brain are most vulnerable to diabetes, traffic related air pollution – increasingly a major player in dementia – and alcohol, of all the common risk factors for dementia.
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