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

You wash your hands, take your vitamins, and avoid sick coworkers. So why do you still catch every bug that goes around? The truth is, your immune system might be quietly struggling thanks to ...

ATHENS, GA — A new study from the University of Georgia suggests opioids may weaken the immune system by altering gut bacteria potentially leaving patients twice as likely to get sick. Researcher ...

Shower habits seem harmless, but one small mistake in your daily routine can gradually weaken your immune system without you realizing it. Many people overlook how a simple behavior in the bathroom ...

A strong immune system is essential for overall health, helping the body fight off infections and recover from illness. While many foods support immunity, some common dietary choices can weaken immune ...

Certain types of biochemical processes can impair the immune system’s ability to recognize and kill cancer cells. Purdue University’s W. Andy Tao and his associates have developed a new way to study ...

Many people brush off frequent illness as stress, weather changes or simply bad luck. A cold that keeps returning, wounds that seem to take forever to heal or a constant feeling of tiredness often ...

Some worry a lack of contact with others will weaken their immune system by reducing its active contact with germs. But even when we're staying 6 feet from others or spending most of our time at home, ...