The pneumonia some COVID-19 patients develop could set them up for a higher risk of dementia, particularly for older patients, researchers report.

Mental disorders may increase risk for subsequent dementia, researchers find. Investing in good mental health care for young people could help.

Personal assistant apps similar to Siri can boost memory in older adults with dementia by sending reminders about medications and appointments.

Cyclodextrin, which the FDA has approved as an ingredient in drugs, may be able to reduce the risk of dementia after stroke, according to new research.

Research reveals that the right amount of exercise can reverse cognitive decline in mice and boost spatial learning and memory.

Exercise is good for brain health, but a new study shows that high levels of air pollution may negate those benefits, researchers say.

New findings strongly link cataract surgery with a lower risk of dementia among older people.

A new study in older adults shows people who slept too much or too little experienced greater cognitive decline than those who slept a moderate amount.

After tracking people for 12 years, researchers found that those with better psychological well-being had lower odds of developing cognitive impairment.

Neighborhoods with opportunities for socialization, physical activity, and intellectual stimulation may help preserve older adults' cognitive health.