Did you know your body is full of chemical messengers that help regulate your various organs and body systems? There are at least 50 such chemicals, called hormones, in the human body. Their levels ...

Your autonomic nervous system (ANS) is the part of your central nervous system (CNS) that controls unconscious activities like breathing and digestion. This system is always working, whether or not ...

The muscular system consists of various types of muscle that each play a crucial role in the function of the body. Some muscular system functions include mobility, stability, posture, and circulation.

The endocannabinoid system (ECS) is a complex cell-signaling system that helps regulate your body functions, including sleep and mood, among others. It was identified in the early 1990s by researchers ...

Neurotransmitters are chemical messengers in the body. Their function is to transmit signals from nerve cells to target cells. These signals help regulate bodily functions ranging from heart rate to ...

When a person is at rest, meditating or reading a book, the parasympathetic nervous system is at work. Also known as the "rest and digest" system, the parasympathetic nervous system is responsible for ...

Phosphorus is an essential mineral that your body needs for nearly all of its functions. This nutrient is found in many foods and is often bound to calcium, showing how these two minerals work in ...

A team of researchers led by Chandan Sen at the Indiana University School of Medicine, is moving a new nanochip device, which can reprogram skin cells in the body to become new blood vessels and nerve ...

Researchers have developed a new "body clock" tool that calculates people’s biological age — and could even predict the risk of disability or death. The tool, which comes from the University of ...