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 ...

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, ...

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

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

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

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

Need an excuse to improve your mindset? Researchers have found that expecting good things to happen to you can be great for ...

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 ...

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 ...

Researchers have developed a new class of antibodies that amplify the immune system’s ability to fight cancer. By clustering immune receptors that normally receive weak signals from tumors, these four ...

The idea of turning back the clock on the immune system has moved from science fiction to a concrete experimental strategy. A ...