Long Covid patients suffer from chronic symptoms such as fatigue or shortness of breath. As researchers have discovered, this is to some extent due to a part of our immune system called the complement ...

The complement system is an intricate network of plasma proteins that defends against pathogens and clears cellular debris. Under normal conditions, activation proceeds through classical, lectin and ...

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 ...

Although many things can affect your individual prognosis, about half of all patients will reach kidney failure within 10 years of their diagnosis and need dialysis or a kidney transplant. Even after ...