Your immune system is your body’s built-in defense network, working nonstop to protect you from bacteria, viruses, and other ...

NBC News medical contributor Dr. Natalie Azar and TODAY health and nutrition expert Joy Bauer stop by Studio 1A to share tips ...

Elderberry supplements are often touted for immune support, but how might it help you fight infection or reduce inflammation.

Wondering which vitamins boost the immune system? We look at the nutrients that can help you to stay healthy.

Chronic stress doesn't just affect your mood, it can weaken immune defences, increase inflammation, and leave the body ...

Researchers found an association between increased activity in a reward region of the brain—primarily stimulated by hopeful thinking—and heightened levels of protective antibodies after receiving a va ...

As we age, the immune system gradually declines in function, leaving the body more vulnerable to disease. Scientists have discovered a new way to rejuvenate a key component of immune function, ...

Orange juice and grapefruit juice can both be healthy additions to your diet. However, orange juice does have a higher concentration of certain micronutrients, including vitamin C.

Aging immune cells may be sabotaging the body from within. Researchers found that macrophages produce a protein that locks ...

The idea of turning back the clock on the immune system has moved from science fiction to a concrete experimental strategy. A ...

For women with higher-risk breast cancer, 3 days of radiotherapy might enhance the immune response to checkpoint inhibitors.

Who knows why different people have different symptoms with the common cold? Well, a new study used laboratory-grown noses ...