A new study highlights the importance of muscle mass as an independent factor linked with rapid cognitive decline in older adults.

Dogs can remember things they did in the past and repeat actions when told to "do that again." That shows they can form abstract concepts, researchers say.

While past research has found that people perform worse on cognitive tasks while walking, a new study shows that might not be true for everyone.

Living in an area lush with green space may boost cognitive function, slow mental decline, and reduce depression for middle-aged women.

Except for the "oldest of the old," older adults aren't any more likely to believe fake news than younger adults, researchers say.

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

The brains of academics are better able to compensate age-related cognitive and neural limitations, according to new research.

Blood levels of a substance that's predictive of Alzheimer's disease onset rose during cardiac surgery and remained elevated afterwards, a new study finds.

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.

Kids born very prematurely who spend a lot of time watching TV or playing video games may have a higher risk of cognitive and behavioral problems.