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

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.

Medically reviewed by Simone Harounian, MS Grapefruit and orange juice are both excellent sources of vitamin C, which ...

Dr Jenna Macciochi says that ‘our immune system is the single greatest arbiter of both how long we live and the quality of those years’ - Christopher Pledger We know what our immune system is about.

Regular exercise supports immune health by improving the circulation of your immune cells and reducing inflammation, but ...

Q. Is it really possible to “boost” your immune system, or is that a myth? A. When flu season hits or stress runs high, you’ll often hear advice on how to “boost” your immune system. But here’s the ...

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

Trillions of microbes live in the human gastrointestinal tract, where they play critical roles in our health and biology; they can help us break down food, absorb nutrients; and they affect the immune ...

Recent studies have shown that even if you feel healthy and fit, your immune system could be aging quicker than you think, which could increase the risk of infections and immune-related disorders.

The team’s research provides compelling evidence for the brain’s influence on physiology. A deeper understanding of this mind ...

When it comes to children’s health, a strong immune system is one of the best defences they can have – but it’s not about ...