Our immune system is divided into two main branches: innate and adaptive. Innate immune cells act as a first line of defense, quickly responding to invaders, while adaptive immune cells take a longer ...

The immune-boosting power of a fever is surprisingly ancient. Cold-blooded creatures like fish typically move to warmer environments to help fight infections. In one fish species, Nile tilapia, that ...

Innate lymphoid cells, which curiously behave like T cells even though they don’t recognize specific antigens, show promise as a potential cancer therapeutic. In the years that followed, other groups ...

SARS-CoV-2 has an enzyme that can counteract a cell's innate defense mechanism against viruses, explaining why it is more infectious than the previous SARS and MERS-causing viruses. The discovery may ...

The 2025 Nobel Prize in physiology or medicine has been awarded to a trio of scientists for unraveling how the immune system protects us from thousands of different microbes trying to invade our ...

Cancer immunotherapy, which primes the body's immune system to fight off tumors, has historically focused on harnessing T cells' natural ability to recognize and attack cancer cells. While this ...

An investigational Toll-like receptor (TLR) antagonist was effective in reducing biomarkers and clinical symptoms of systemic lupus erythematosus (SLE) in a pilot trial, evidence that the innate ...