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 ...

Taking vitamin C supplements can boost your immune system. Exercise regularly to help your immune system stay strong. Eating citrus fruits can reduce the length of colds. The immune system is your ...

Strategies like washing your hands regularly and getting a flu shot go a long way towards keeping you healthy when seemingly everyone has the sniffles—and filling your plate with the best foods to eat ...

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 for boosting your immune system and staying healthy during the frigid ...