Dementia

New research shows that breathing fine particulate air pollution is associated with a decline in semantic memory among older Black adults. The findings highlight how environmental factors may contribute to racial disparities in dementia.

Why do dementia and depression look so similar in older adults? New research maps the brain's chemistry to show how the two conditions share serotonin disruptions but diverge sharply in how they alter or destroy brain cells.

Adding an avocado to your daily diet is a trendy health choice, but a new clinical trial shows it won't provide a quick fix for your brain health or protect against cognitive decline on its own.

A new study shows that eating ultra-processed foods is linked to a measurable drop in attention and a higher risk of developing dementia. Surprisingly, this happens even if a person otherwise maintains a healthy diet.

A new study suggests that participating in a mix of physical, social, and mental activities during middle age is linked to better cognitive performance, even for people with a high genetic risk for Alzheimer's disease.

Researchers found that prolonged exposure to everyday air pollution, like traffic exhaust, can nearly quadruple the risk of developing Lewy body dementia, highlighting a potential environmental trigger for severe neurodegenerative diseases.

A new study reveals that people born with genetic traits favoring physical strength experience less cognitive decline as they age. This underlying biological connection occurs independently of individual exercise habits or traditional markers of Alzheimer’s disease.

A lifetime of reading, playing games, and learning can lower your risk of Alzheimer's disease by 38 percent. According to a recent Neurology study, this lifelong mental enrichment builds a protective buffer against age-related cognitive decline.

New research published in The Journal of Nutrition shows a link between eating eggs and brain health. Scientists found that older adults who consume eggs moderately experience a noticeably lower risk of Alzheimer's disease.

A newly developed mathematical index allows standard MRI scans to detect hidden Alzheimer’s risks years before symptoms emerge, tracking the subtle impacts of genes and cardiovascular health on the brain to predict future memory decline.

New research shows that untreated sleep-disordered breathing alters the brain physically. These disruptions may make the brain more vulnerable to Alzheimer’s disease, fundamentally changing how toxic proteins build up across different stages of cognitive decline.

A recent study using advanced cell mapping shows that lithium chloride changes the activity of multiple enzymes linked to Alzheimer’s disease. These findings could help researchers design safer, more effective treatments for cognitive decline and dementia.

A massive review of over four million people suggests that better cardiovascular fitness protects the mind. Published in Nature Mental Health, the research links higher physical fitness levels to a lower risk of depression and dementia.

While statins are highly effective at protecting against heart attacks and strokes, a massive new medical records study reveals that the popular cholesterol-lowering medications do not offer additional protection against Alzheimer's disease or other age-related dementias.

Older adults who suddenly develop feelings of loneliness experience an accelerated decline in their memory and thinking skills. A new longitudinal study tracks how cognitive decline speeds up immediately following the onset of social isolation.