A new study suggests chronic insomnia may be an early warning sign or contributor to cognitive decline.

A new study finds artificial sweeteners typically found in ultra-processed foods and drinks may be associated with a faster decline in overall thinking and memory skills – especially in people under 60 and those with diabetes.

A new study finds early intervention for hearing loss significantly reduces the risk of dementia.

Researchers say they’ve found a “formula and recipe to improve brain health” and cognition in people at high-risk for dementia.

A new study finds active transportation modes like biking may help lower the risk of dementia and protect a part of the brain linked to memory.

More than 7 million U.S. adults are now living with Alzheimer’s, according to a new report from the Alzheimer's Association.

Proven interventions for high blood pressure lower the odds for dementia and cognitive decline, according to researchers.

Having 8 or more alcoholic drinks per week may damage areas of the brain linked to memory and thinking.

A simple blood test can help diagnose Alzheimer’s and accurately distinguish between early- and later-stage disease, a new study finds.

People with low LDL cholesterol levels are much less likely to be diagnosed with dementia and Alzheimer’s disease, according to new research.

A new peel-and-sniff card was tested by 180 adults, and the results showed those with mild cognitive impairment had significantly more trouble identifying and remembering odors.

What you eat greatly impacts your chances of healthy aging. In a new study, just over 9% of U.S. adults made it to the age of 70 free of physical, mental and cognitive impairments, and their diet had a lot to do with it, according to researchers.

In a new study, participants who used NSAIDS for 24 months of longer had a 12% lower risk of developing dementia.

People who engage in moderate to vigorous physical activity on a regular basis are less likely to develop dementia, stroke, anxiety, depression and sleep disorders, researchers find.

A new study finds filling your plate with things like burgers and bacon may increase your risk for cognitive decline and dementia.

In a new study, people with moderate-to-severe gum disease were found to have altered connections between different brain regions, potentially increasing their risk of dementia.

A new study finds people diagnosed with type 2 diabetes before the age of 50 are nearly twice as likely to develop dementia compared to those diagnosed at 70. Researchers say the link is especially strong in those with obesity.

A new study finds adults 50 and older with sleep apnea face an increased risk of dementia, and researchers say the link is most significant in women as they age.

A new study finds exposure to high levels of outdoor light pollution may increase the risk of Alzheimer’s -- even in younger adults.