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.

Leading medical experts reveal that quick-fix tablets and vitamin drinks are largely ineffective, and the only real way to ...

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

A vitamin A byproduct could weaken the immune system's cancer-fighting ability, according to new Princeton University ...

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

It's essential to get enough vitamin D to keep your immune system strong. But does it matter when exactly you take it?

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

Researchers have discovered that mimicking cold exposure or fasting can trigger an immune response in the body that slows ...

Making sure that you get all the necessary vitamins and minerals can help keep you healthy. But most of the population is ...

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