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

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

Lysins are specific antibodies that cause the dissolution of bacteria, plant, and animal cells. Under the influence of ...

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 ...

During the recent Covid-19 pandemic, the rate of serious illness and death was jarringly high in older populations. Why? Weakening immune systems — as we age, we become more vulnerable to infections, ...

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, ...

Your body’s stress response can trigger several physiological changes, which can affect immune function. Why you’re stressed and how long you’re stressed can impact how your immune system responds.

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