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

Doctors at the National Institutes of Health have discovered a new cause of skin cancer, according to a case report published Wednesday in the New England Journal of Medicine. The culprit is a type of ...

Obstructive sleep apnea promotes whole-body inflammation and weakens the body's immune system. Read about related pathways and health consequences.

Researchers have revealed how a common bacterium, Enterococcus faecalis (E. faecalis), releases lactic acid to acidify its surroundings and suppress the immune-cell signal needed to start a proper ...

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 ...

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 ...

The Centers for Disease Control and Prevention on Friday urged people with weak immune systems to take extra precautions to avoid Covid after the dominant omicron subvariants knocked out a key ...

WASHINGTON (AP) — U.S. health regulators have authorized an extra dose of the Pfizer or Moderna COVID-19 vaccines in people with weakened immune systems to better protect them from the virus. The ...

Green tea contains beneficial compounds that may support immune health by reducing inflammation, fighting oxidative stress, ...

Add Yahoo as a preferred source to see more of our stories on Google. Doctors at the National Institutes of Health have discovered a new cause of skin cancer, according to a case report published ...