Why do people get fevers when we get sick? It's a common misconception that pathogens, such as SARS-CoV-2 or the flu, cause fevers. But it's not that simple, report Phil Starks and Harry Bernheim, ...

Acute (short-term) inflammation occurs when your immune system sends inflammatory cells to a cut, injury, infection, or irritant to fight germs and initiate healing. Chronic inflammation happens when ...

From the moment they’re born, newborns — or, specifically, their immune systems — must learn to fight germs without harming their own tissues. In a new study, Yale researchers found that one type of ...

From the moment they're born, newborns—or, specifically, their immune systems—must learn to fight germs without harming their own tissues. In a new study, Yale researchers found that one type of ...