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

Chennai: People whose immune systems mount an unusually aggressive early response to tuberculosis may be less likely to respond well to standard drug .

Your immune system is like an incredibly sophisticated security team, constantly patrolling your body for threats and neutralizing them before they can cause harm. When it’s working properly, this ...

During the recent Covid-19 pandemic, the rate of serious illness and death was jarringly high in older populations. Why? Weakening immune systems — as we age, we become more vulnerable to infections, ...

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 ...

Cancer immunotherapies, including cancer vaccines, harness and amplify the immune system’s natural ability to detect and attack cancer cells. In this illustration, immune T cells (pink) attach to a ...

From football players to military personnel, people who suffer repeated head injuries often face serious long-term health issues. These include problems with memory, mood, and movement, and in some ...

Myasthenia Gravis (MG) is a rare autoimmune disease in which the immune system attacks the connection between nerves and ...

The story of Q32 Bio, a company that develops therapeutics for inflammatory and autoimmune diseases, started two decades ago. That's when V. Michael Holers, MD, a University of Colorado School of ...