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.

Both prediabetes and type 2 diabetes speed up brain aging, but living a healthy lifestyle offers protection, according to researchers.

A new study finds taking a daily fish oil supplement may slow brain cell deterioration in people at genetic risk for Alzheimer’s – but researchers say it does not benefit all older adults.

A new study finds no link between benzodiazepines and dementia, but these drugs—commonly prescribed for anxiety, insomnia and epilepsy—may speed up loss of brain volume, researchers say.