Why can the human immune system often remember a vaccination for a whole lifetime? Researchers at ...

Victor Appay, PhD, explains how long-term ART slows immune aging, boosting HIV viral suppression and paving the way for ...

Stimulating the liver to generate signals normally produced by the thymus can reverse age-related declines in T-cell populations.

Scientists in the Blavatnik Institute at Harvard Medical School and MIT have created a new family of tools that, for the ...

Deep in our cells, a wide range of processes are occurring constantly. These cellular processes rely on enzymes to act as catalysts and set off a series of molecular interactions. There are still many ...

When food is scarce, stress hormones direct the immune system to operate in "low power" mode to preserve immune function while conserving energy, according to researchers at Weill Cornell Medicine.

A new study identifies an extreme but effective way that brain immune cells can prevent the parasite Toxoplasma gondii from spreading: they kill themselves to eliminate the dangerous microbes they ...

Your immune system may be weak if you have frequent, severe, or extended infections. Learn more signs of a weak immune system.

In an early animal test, a new nasal-spray vaccine has shown promise against a variety of germs and a common allergen, ...

In the middle of a global pandemic, people now, more than ever, are invested in understanding how their immune system works. Although many questions remain in the field of immunology research, The Sun ...