Regulatory T cells (red) interact with other immune cells (blue) and modulate immune responses. National Institute of Allergy and Infectious Diseases/NIH via Flickr Every day, your immune system ...

Imagine a high-tech security system, constantly scanning for intruders, identifying threats, calling for backup, neutralizing them, cleaning up the mess, and keeping detailed records for next time.

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.

Add Yahoo as a preferred source to see more of our stories on Google. Aging may be inevitable, but boosting immune health may impact how we age, according to researcher Dr. George A. Kuchel. Photo ...

As the body ages, so does the immune system. The immune system usually becomes less effective in older age, a process known as immunosenescence. This can increase the risk of: While you can’t prevent ...

Your immune system may be weak if you have frequent, severe, or extended infections. Learn more signs of a weak immune system.

As winter looms on the horizon, so do viruses and bacteria prepared to usher in annual colds and flu. The immune system is the first line of defense against these types of viral infections and ...

Every day, your immune system performs a delicate balancing act, defending you from thousands of pathogens that cause disease while sparing your body's own healthy cells. This careful equilibrium is ...

NEW YORK, May 23 (UPI) --It may not be the mythical fountain of youth, but the strength of the body's immune system could hold the key to a healthy, long life, experts told UPI. The concept of ...