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 ...

Share on Pinterest A study offers new clues on why long COVID persists in some individuals. krisanapong detraphiphat/Getty Images Despite the debilitating nature of long COVID, there is an absence of ...

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 ...