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

Some discoveries change the way we view the human body. In 2021, researchers described what they saw when they had examined skin-biopsy samples that included tattoos: The ink particles had traveled ...

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 ...

Each year, doctors treat more than 6 million bone fractures in the United States. And while it takes only a few seconds for a ...

Your autonomic nervous system helps regulate emotional balance, but chronic stress or trauma can trigger an overactive fight-or-flight response. Nervous system dysregulation refers to a condition in ...

The body goes through many changes as a person ages. As people reach age 60 and beyond, they may notice changes to their joints, muscles, skin, and more. People may wonder what changes to expect as ...

Pennington Biomedical researchers recently investigated the systems of the body that regulate weight, exploring whether our bodies defend an established weight target or if our bodies operate within a ...

A study linking accelerated immune-cell aging to emotional, but not physical, depressive symptoms strengthens evidence that ...

The human body is a wonderous thing, especially when you consider how intricate and efficient each bodily system is. For instance, an adult’s blood vessels could encircle the earth 2.5 times if ...