Complement component 3, often called C3, is an essential protein of the immune system. This protein plays a vital role in the body’s innate immune system, providing: the first line of defense against ...

From football fields to military training grounds, head injuries are leaving lasting marks on the brain in ways we're only ...

Scientists discovered how macrophages, which act as the immune system's first line of defense, tailor their specific responses to various intruders through the independent and cooperative functions of ...

Our bodies response to invading pathogens through different mechanisms of the immune system. Innate immunity first detects disease and relays a defense signal to activate the second wave of immune ...

Protein is one of the most talked-about nutrients in the health world, and for good reason. The amino acids we get from proteins help build and repair body tissues, support the immune system, and keep ...

Swiss scientists have identified immune system abnormalities in patients with long COVID that might open the door to new diagnostic tests and treatments. The researchers found that a group of proteins ...