Brain aging affects some mental systems far more than others, with one major network staying remarkably stable later in life.

Aging may trigger a previously underrecognized change in the brain’s immune system, with protective cells in the hippocampus ...

The brain can direct the immune system to an unexpected degree, capable of detecting, ramping up and tamping down inflammation, shows a new study in mice. The brain can direct the immune system to an ...

The glymphatic system is responsible for removing waste that builds up in the brain while we sleep. First discovered in 2013, scientists are still trying to understand how it works. In a series of new ...

Share on Pinterest Researchers are mapping out the human brain’s ‘waste-disposal’ system for the first time. Image credit: bawanch/Getty Images. Alzheimer’s disease currently affects about 32 million ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Scientists at the University of Cambridge in the U.K. have created a ...

It has to plan a trajectory to the cup, control dozens of muscles, make adjustments based on feedback from the eyes and fingers, and maintain its focus on the goal: a tasty jolt of caffeine. And it ...

The limbic system helps regulate emotional and social processing, as well as learning, motivation, and memory. It consists of structures that lie beneath the outer, wrinkly part of the brain and above ...

Some people taking GLP-1 medications report feeling less pleasure or motivation, beyond simply losing interest in food.

The brain can direct the immune system to an unexpected degree, capable of detecting, ramping up and tamping down inflammation, shows a new study in mice from researchers at Columbia's Zuckerman ...

The seemingly simple act of reaching for a cup of coffee requires a lot of effort from the brain. It has to plan a trajectory to the cup, control dozens of muscles, make adjustments based on feedback ...