Your lymphatic system controls immunity, absorbs key vitamins and has no pump. Most people have no idea how much it does.

Our immune system works around the clock to protect us from bacteria, viruses, and other harmful germs. It also helps repair damaged tissues after injuries. One of its most important defense tools is ...

Louse-borne relapsing fever is caused by the spirochete bacterium Borrelia recurrentis, which is transmitted by body lice (not head lice). The disease was first described by Hippocrates (460-370 BC).

FILE - President Donald Trump arrives at Leesburg Executive Airport on Marine One in Leesburg, Va., Thursday, April 24, 2025, en route to Trump National Golf Club Washington DC in Sterling, Va. (AP ...

The complement system bridges innate and adaptive immunity, orchestrating immune surveillance and maintaining tissue homeostasis. This review summarizes the role of the complement system in ...

Managing complement 3 glomerulopathy involves several treatment options aimed at slowing disease progression and protecting kidney function. These may include blood pressure control, steroids, ...

Supporting your immune system is a year-round job. For when it feels like your morning glass of OJ or zinc supplement isn’t cutting it, consider the humble egg: The refrigerator staple is a ...

The immune system is the frontline protection against infection, continually searching for and destroying unknown pathogens. While typical operation of the immune system scans for threats, some ...

Dozens of new discoveries reveal that defenses evolved by bacteria and viruses billions of years ago still define our own innate immune system. Evolutionary arms races — where one species is pitted ...

Immune system aging, known as immunosenescence, is associated with changes in immune cell composition and function that increase susceptibility to disease. The results of a study by researchers at the ...

C3 glomerulopathy (C3G) and immune complex membranoproliferative glomerulonephritis (IC-MPGN) are rare and progressive kidney diseases, caused by problems in the immune system. They are two distinct ...