University of Pennsylvania researchers have found a promising new treatment for periodontitis using a component of the immune system called complement, according to a new study in the Journal of ...

A protein made by gut cells helps to destroy harmful bacteria in the intestines, according to experiments in mice 1. Roughly 50 proteins in the blood make up the complement system, which forms a ...

From vitamin C to your microbiome and mindset, the latest science of immunity is often counterintuitive. Here's how to give ...

Most people infected with the SARS-CoV-2 virus recover after the acute illness. However, a significant proportion of infected individuals develop long-lasting symptoms with a wide range of ...

Researchers at MIT have unveiled a way to coax an aging immune system into acting young again, using the same kind of mRNA ...

Among people with sickle cell disease—an inherited blood disorder—acute chest syndrome (ACS) is the leading cause of death. The condition is the result of red blood cells becoming stiff, sticky, and ...

As the immune system weakens with age, scientists have found a way to restore some of its lost strength. By delivering mRNA ...