The brain needs to flush out waste products to stay healthy and fend off conditions like Alzheimer's disease. Scientists are beginning to understand how the the brain's waste removal system works.

A new device that monitors the waste-removal system of the brain may help to prevent Alzheimer s and other neurological diseases, according to a new study. In the study, participants were asleep when ...

About 170 billion cells are in the brain, and as they go about their regular tasks, they produce waste — a lot of it. To stay healthy, the brain needs to wash away all that debris. But how exactly it ...

The urinary system helps maintain the volume and chemical composition of fluids in the body. One of the main organs in the system are the kidneys, which filter waste products out of the body through ...