The immune system is a complex response of various cells that detect and elicit mechanisms to eliminate disease. This ...

Cytotoxic T lymphocytes are the body’s specialized “killer” cells, precisely eliminating infected or cancerous cells. Their ...

T cells, which target infection and disease, can become more effective after a meal. The finding might help improve ...

Every day, your immune system performs a delicate balancing act, attacking harmful invaders while protecting your own tissues. When that balance breaks, infections can spread unchecked, or the body ...

The immune system is the frontline protection against infection, continually searching for and destroying unknown pathogens.

Antibodies, which recognize viruses and proteins that the body has encountered before, have long gotten most of the credit for giving the human immune system a memory. Now, researchers at the ...