A single signaling pathway controls whether immune cells attack or befriend cells they encounter while patrolling our bodies, ...

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, ...

CAR-T was developed to wipe out hard-to-treat blood cancers. But the cells that go bad in leukemias and lymphomas — immune cells called B cells — go awry in a different way in many autoimmune diseases ...

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 ...

Rochester, Minn. — The immune system is meant to protect the body from infection and disease. But with age, it can become less capable of doing so. However, Mayo Clinic researchers have found that ...