“We know for multiple reasons why smoking is bad in terms of its cancer risk, but here we're showing additional information that it's also probably negatively impacting your immune response. And that ...

Smoking tobacco is so harmful to the body that it changes a person’s immune system, leaving them vulnerable to more disease and infection even years after they’ve quit, a new study found. Although ...

Numerous factors shape how a person’s immune system reacts to infections and other challenges. Age, sex and genetics are fundamental contributors—as the COVID pandemic highlighted. Now a new study ...

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 ...