The body has an intricate system to defend against infections where each type of immune cell plays a distinct role. Now, a ...

Not everyone has cancer cells in their body, but they may develop due to different factors such as genetics, exposure to certain environments, and lifestyle choices. The body has a natural ability ...

For all of human history, death has been viewed as a final cessation of life in an organism, but new research is offering hope for restoration.

Which body parts do humans not need? Evolution left us with some organs and functions we no longer need. Julia Craven Published Feb 13, 2025 9:00 AM EST ...

The limbic system is a group of structures in the brain that help with memory, learning, and emotional regulation. Learn more here.

Our cells produce a variety of proteins, each with a specific role that, in many cases, means that they need to be in a ...

Glial cells may take on big jobs in unexpected parts of the body Found in the spleen, heart and lungs, are these neglected cells star players?

An infarction occurs from an inadequate supply of blood to brain cells. The lack of oxygen and vital nutrients can cause parts of the brain to die off.

While humans can regularly replace certain cells, like those in our blood and gut, we cannot naturally regrow most other parts of the body. For example, when the tiny sensory hair cells in our ...