Your immune system is a network of cells, tissues, and organs that fight off infection. Your immune system can be affected by ...

A person who is immunocompromised is more susceptible to infections due to a weakened immune system.

A bone marrow transplant can help people diagnosed with leukemia and other serious bone marrow–related conditions.

The immune system is one of the most intricate systems in the body and plays a vital role in keeping children healthy.

From the moment they’re born, newborns — or, specifically, their immune systems — must learn to fight germs without harming their own tissues. In a new study, Yale researchers found that one type of ...

A team of Yale researchers studied the role of special types of immune cells that help newborns defend against viruses and even cancers.

When you're sick, your immune system releases cytokines that signal your brain to suppress hunger, redirecting energy to ...

Breast milk strengthens baby immunity, reduces inflammation, and supports long-term health through special protective fats.