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.