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

In the recent decades, there has been an increase in the aging population across the world coupled with declining birth rates and an increased lifespan of individuals. The proportion of the elderly in ...

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

Young infants hospitalized with respiratory syncytial virus (RSV) often become much sicker than those infected with ...