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

There is an undeniable connection between a strong immune system and nutrition. Learn why what you eat matters and other ways to boost your immune system.

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

If you’re getting sick again during cold and flu season, your diet may be a factor. Small, incremental lifestyle changes can help strengthen your body’s natural defences during cold and flu season.

Though the NHS recommends most adults consider taking vitamin D until around March as daylight hours shrink, the service also noted: “There’s little evidence that supplements such as vitamin C, ...

Have you ever tried yoga asanas and poses to boost immunity and fight common winter illnesses like cold, cough, and fever?

Respiratory virus season typically peaks between December and February, so now is the time to get ready. "I am anticipating, as I think we all are, a rough respiratory season," said Dr. Sarah Nosal, ...

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, ...

Winter calls for juicy defense. From guavas to oranges, these winter fruits are packed with immune-boosting power — and ...

NEED a big health boost this January? How about drinking it from a small bottle? Immunity shots are concentrated bevvies ...

Although chemotherapy helps kill cancer cells, it can also affect healthy white blood cells, weakening the immune system. Eating nutritious foods, exercising, and avoiding illnesses are some ways to ...