Louse-borne relapsing fever is caused by the spirochete bacterium Borrelia recurrentis, which is transmitted by body lice ...

You might think of cancer as a mass of rogue cells that grow uncontrollably. But cancer is more organized and strategic than ...

Arachnology and toxinology have increasingly illuminated the structural, biochemical and evolutionary diversity of venom ...

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 ...

Although chemotherapy helps kill cancer cells, it can also affect healthy white blood cells, weakening the immune system. Eating nutritious foods, exercising, and avoiding illnesses are some ways to ...

Our immune systems prevent and limit infections. They are a complex set of organs, cells, tissues and proteins that work together to protect our bodies from harmful invaders such as bacteria, viruses, ...

Northwestern Medicine investigators have uncovered a missing link behind the harmful effects of autoantibodies linked to blood clots, pregnancy complications and other inflammatory conditions, ...

Antibodies, which recognize viruses and proteins that the body has encountered before, have long gotten most of the credit for giving the human immune system a memory. Now, researchers at the ...

Traumatic brain injuries (TBI)—even mild concussions—may trigger a chain reaction in the brain that disrupts neuronal ...