It must be aggressive enough to fight infections and cancer, yet restrained enough to avoid attacking the body's own tissues.

Multicellular organisms are a mosaic of different cells, tissues, and systems, each with their own specific function and interactions with other cells within the organism and/or the larger environment ...

As the immune system ages, it reacts more slowly to pathogens, vaccines become less effective, and the risk of cancer ...

One of humanity's most ubiquitous infectious pathogens bears the blame for the chronic autoimmune condition called systemic ...

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, ...

In a new study published in the biomedical journal Science Translational Medicine on Wednesday, researchers revealed for the first time how one of the most common viruses worldwide can cause the ...

Mixed connective tissue disease (MCTD) is a complex and relatively rare autoimmune disorder. It shares symptoms with lupus, systemic sclerosis, and myositis. MCTD is a challenging condition that can ...