Could years of commuting through city smog be leaving lasting marks on our brains? A major UK birth cohort study suggests that midlife exposure to nitrogen dioxide and other pollutants may lead to smaller hippocampal volumes and slower cognitive processing in later life, even after accounting for social and educational factors.
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Marie Crabbe looks at a recent retrospective cohort study in The Lancet Public Health which explores the contribution of alcohol use disorders to the burden of dementia in France.
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Alan Underwood highlights a new meta-analysis, which suggests that people with mental health problems can benefit if they are prompted to form if-then plans, which specify when, where and how they will achieve their goals.
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