Scientists reverse Alzheimer's memory loss in mice by using NAD+ to restore brain energy, defying decades of research.

Researchers say a simple blood test could help flag which older women face a higher risk of dementia long before any symptoms ...

When doctors suspect Alzheimer's, they can order a blood test to learn whether a patient's brain contains the sticky amyloid plaques that are a hallmark of the disease. But the results of that test ...

Memory loss is often viewed as a brain problem, but the digestive system plays a major role. Research published in Nature shows that age-related bacterial changes disrupt nerve communication, and ...

Memory doesn’t live only in the brain. Scientists are uncovering signs that cells throughout the body can remember, too. These findings are starting to challenge old ideas about how and where memory ...

Reaction time reflects brain processing speed; simple tests like the ruler drop can reveal attention, coordination, and early ...