Researchers have created an early map of some of the human body’s estimated 37.2 trillion cells. Each type of cell has a unique role, and knowing what all the cells do can help scientists better ...

Our brain is arguably the organ that most distinguishes humans from other primates. Its exceptional size, complexity and capabilities far exceed those of any other species on Earth. Yet humans share ...

The brains of humans and other mammals contain a vast array of neuronal and non-neuronal cell types. The human capacity to process information into complex emotions, behaviours and decisions relies on ...

In experiments with mice, Johns Hopkins Medicine scientists report new evidence that precursors of myelin-producing cells—one ...

Many of the body's processes slow down or falter as we get older, including tissue regeneration. In a new study, researchers ...

Your body is like a busy city with construction crews working every day. These crews are your stem cells. They fix damage, keep everything running, and build new structures when needed. But as you get ...

There are hundreds of cell types in the human body, each with a specific role spelled out in their DNA. In theory, all it ...