Your lymphatic system filters waste, runs your immune defense and has no pump. Here's what doctors say keeps it moving.

For centuries, scientists believed the human body had two major circulation systems. One was the cardiovascular system that moves blood through arteries and veins. The other was the lymphatic system ...

A popular hypothesis for how the brain clears molecular waste, which may help explain why sleep feels refreshing, is a subject of debate. Encased in the skull, perched atop the spine, the brain has a ...

Lewy body disease is the second most common neurodegenerative disease after Alzheimer's disease. A research group from Lund University has now shown that the disease can be detected before symptoms ...