Training yourself to expect good things to happen sounds like helpful advice in general. Now, new research suggests that good ...

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, ...

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 ...

Could the power of positive thinking be enough to boost your immune system? According to a recent study, the answer may be ...

Your immune system is your body’s first line of defense against harmful invaders, such as bacteria, viruses, and toxins. Maintaining its strength is essential for overall health, and the foods you eat ...

Research led by Lancaster University has discovered that a class of antibiotics—fluoroquinolones—can directly alter the ...

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

Discover how smart workouts, sauna sessions, sleep, and stress relief work together to strengthen your immune system and help you fight off illness.

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

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 ...

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 ...