Get to know the functions of your heart, blood vessels, and blood itself and how they work together to maintain your health.

Your nervous system is a network that sends signals between your brain and other parts of your body to control your body's movements and processes. This system includes your brain, spinal cord, and ...

The endocrine system is the name for the glands that produce hormones in a person’s body. These glands include the thyroid gland, pituitary gland, and adrenal gland. The endocrine system produces ...

TUESDAY, Oct. 7, 2025 (HealthDay News) — Three immunologists have won the 2025 Nobel Prize in Physiology or Medicine for ...

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 ...

The integumentary system is the physical system that forms the barrier between the external environment and the internal systems of the body. In humans, this system consists of skin, hair, nails, and ...

Mary E. Brunkow, Fred Ramsdell and Shimon Sakaguchi were awarded the prize for research showing how the body regulates its ...

This article originally published at SF scientist, UC alum nabs Nobel Prize for immune system discoveries. The James Webb ...

Although most known for its effect on the lungs, cystic fibrosis is a far-reaching condition that affects most of the body’s systems. Cystic fibrosis is a chronic condition that’s primarily associated ...

Sleep is important for plenty of reasons. What you might not have known is that sleep impacts your hormones, and hormone levels impact your sleep. Sleep affects many hormones in the body, including ...