Key Highlights
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Following a diet that’s good for the planet, known as the Planetary Health Diet, is linked to a lower risk of developing dementia and Alzheimer’s disease. This suggests that eating habits that support environmental sustainability may also be a powerful way to protect brain health as we age.
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A study found that people who closely followed the Planetary Health Diet not only had a lower dementia risk but also showed fewer signs of Alzheimer’s-related damage in their brains after death. This provides direct biological evidence that a sustainable diet can contribute to healthier brain aging and better cognitive function later in life.
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Researchers found that a person’s ability to pay attention to sights and sounds is impaired in people who are restrained eaters, but this “attentional blink” can be changed by specific sounds and by stimulating a part of the brain called the DLPFC. This reveals a direct link between brain circuitry involved in self-control, attention, and eating behaviors.
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The study shows that non-invasive brain stimulation (tDCS) can modulate attention lapses related to eating restraint, pointing to potential new non-drug therapies for conditions where attention and impulse control around food are problems.
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A large analysis links climate change-related mental health struggles to housing insecurity, with LGBTQ+ individuals facing a particularly high burden. This highlights how environmental stress and social inequality combine to create distinct mental health risks for vulnerable groups.
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The research underscores that the mental health impact of climate change is not evenly distributed, calling for targeted public health strategies that address both housing stability and support for marginalized communities to build resilience.
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