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 ...

A protein made by stressed cancer cells helps lung and pancreatic tumors evade the immune system, a new study shows. Led by researchers from NYU Langone Health, the work found that new drugs designed ...

Root fillings, oral bacteria and the bigger picture of health ...

Scientists have identified a hidden barrier that prevents immunotherapy from working against a rare liver cancer. Immunotherapy, which activates the body’s own immune system to kill cancer cells, has ...

How does the same infection, say the flu or a cold, give some people mild symptoms and leave others suffering? Why do people develop autoimmune diseases? And will we ever be able to predict when—and ...

Colorectal cancer has long baffled scientists because, unlike most tumors, patients often do better when their cancers are ...

When food is scarce, stress hormones direct the immune system to operate in "low power" mode to preserve immune function ...

“Many confounding factors in real life—including lifestyle, UV exposure, occupational hazards, and immune status—can ...

Wondering which vitamins boost the immune system? We look at the nutrients that can help you to stay healthy.

Over 95% of the world's adult population is infected with Epstein-Barr virus (EBV), but most people never realize it. The infection often causes few symptoms and then stays in the body for life.