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.

Vitamins and supplements like zinc and cod liver oil are often touted for their ability to boost your immune system, but Jeffrey Bland, the "father of functional medicine," says that's not actually ...

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.

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

A new study found that daylight boosts your immune system by helping infection-fighting cells (neutrophils) work more effectively during the day. Researchers found that your immune cells have their ...

Vitamins and supplements like zinc and cod liver oil are often touted for their ability to boost your immune system, but Jeffrey Bland, the "father of functional medicine," says that's not actually ...