Our immune system is armed with an array of defenses designed to detect and eliminate harmful threats. One of its most powerful defense mechanisms is the complement system-a group of proteins that ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. That’s the major takeaway from a new study published in the journal Science. For the study, researchers followed 113 patients with ...

A new study shows that the complement system, part of the innate immune system, plays a protective role to slow retinal degeneration in a mouse model of retinitis pigmentosa, an inherited eye disease.

Medically reviewed by Matthew Wosnitzer, MD Key Takeaways Proteinuria affects most people with complement 3 glomerulopathy ...

A new study may have found what’s behind long COVID symptoms. Scientists say a portion of the immune system may stay activated after someone recovers from the virus. Research into what causes long ...

Medically reviewed by Matthew Wosnitzer, MD Managing complement 3 glomerulopathy involves several treatment options aimed at ...

Long COVID has mystified the medical community for years, making it a tough condition to diagnose, let alone treat. However, a growing body of research has found more information on what may be behind ...

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 ...