Bariatric surgery may slow cognitive decline for people with obesity, a new study shows.

A blood test in midlife may predict risk of cognitive decline and Alzheimer's later, according to a new study.

Our minds wander less as we age and, when older adults do let their minds drift, they're more likely to be distracted by pleasant thoughts, research finds.

Researchers have found a link between age acceleration, or when your biological clock runs quicker than your actual age, to poorer memory.

New findings indicate a correlation between very high fluoride levels in Ethiopian well water and cognitive impairment among children.

A new study demonstrates that patients who develop postoperative delirium have increased openings in the blood-brain barrier.

When a fragrance wafted through the bedrooms of older adults for two hours every night for six months, memory skyrocketed, researchers say.

"Volunteering... could serve as a simple intervention in all older adults to protect against risk for Alzheimer's disease," says Yi Lor.

In one South Texas county, the majority of older adults with cognitive impairment are still driving, a study finds.

A machine learning model can differentiate normal cognition from mild cognitive impairment using retinal images from the eye.