In the following weeks, there will likely be an increase in respiratory illnesses such as influenza, COVID-19 and RSV. Now is an excellent time to strengthen your immune system to help combat those ...

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 ...

How does the same infection, say the flu or a cold, give some people mild symptoms and leave others suffering? Why do people develop autoimmune diseases? And will we ever be able to predict when—and ...