Lingering inflammation from viruses like COVID-19 or HIV can take a lasting toll on the brain. New research shows exactly how specific immune system imbalances lead to memory lapses and slowed ...

Many older adults struggle with sleep as their brains fail to switch off, a study reveals. Insomniacs' brains remain alert due to a flattened circadian rhythm and persistent sequential thinking, ...

For decades, scientists have mapped attention, memory, language, and reasoning to separate brain networks — yet one big mystery remained: why does the mind feel like a single, unified system?

Taking care of your cognitive health ought to be—well, a no-brainer. According to a survey published in March, 87% of ...

The Rio Grande Valley has one of the highest dementia rates in Texas — nearly double the national average — driven by risk factors such as cardiovascular disease.

The scientific literature suggests that having a healthy diet can reduce cognitive decline with aging and also reduce the incidence of dementia. However, what effect does having a healthy diet ...

Your brain does not start the day at full power. It is shifting from sleep into alertness. During that transition, light, movement, food, hydration, and stress cues begin steering the day. Sleep ...

Add Yahoo as a preferred source to see more of our stories on Google. Research shows that crossword puzzles are effective in improving memory. (Getty Images) (artisteer via Getty Images) There is no ...

At a certain point, older folks occasionally develop a penchant for making verbal slurs, mental stumbles, rambling speeches, and confusing responses. They often claim that they have no memory of ...

New research finds that sleep is essential for protecting brain mitochondria by transferring toxic metabolic waste from neurons to glial cells for disposal.

What is a brain age gap, and how may it affect thinking and memory skills? MINNEAPOLIS — The difference between the brain’s predicted age and actual chronological age, called a brain age gap, may ...