Vitamins D and C both play important roles in immune health, but will either prevent you from getting sick? Here's what experts want you to know.

HIV doesn’t make you sick immediately. It slowly weakens the immune system. Knowing how it works helps reduce fear, ...

Natural killer (NK) cells are the bodyguards of our immune system. As a first line of defense, they destroy invading ...

It's not always easy to stay healthy through the winter, but medical professionals offer tips for taking care of yourself. Colder weather means more time spent indoors and gathering in close quarters ...

Killer cells (NK) are the guardians of the immune system, which play an important role in destroying pathogens, foreign ...

Getting enough sleep can help protect you from getting sick. “Sleep is critically important to maintaining a healthy immune system, so we need to sleep enough. We also need to have good timing of our ...

A "hybrid" immune system approach may prevent or cure Type 1 diabetes (T1D) by combining blood stem cell and islet cell transplants. The method uses a nonmyeloablative conditioning regimen to prevent ...

With the peak of cold and flu season here, did you know that getting enough sleep can help protect you from getting sick? “Sleep is critically important to maintaining a healthy immune system, so we ...

The mammalian immune system is an evolutionary wonder. It's capable of recognizing and destroying cancer cells, and it can deploy armies of antibodies against viruses, bacteria, parasites and fungi.

Survival rarely comes easy when pancreatic ductal adenocarcinoma strikes. Most people learn of it only after it has spread, ...