Category: Body response

Did you know that heat is one of the five cardinal signs of inflammation, alongside swelling? The body's immune response to injury or infection initiates a chain reaction that includes increased blood flow, which explains why the answer to **Does swelling make the area warm?** is often yes.

First described nearly 2,000 years ago by the Roman encyclopedist Celsus, the observable signs of inflammation are a cornerstone of pathology. These classic signs represent the body's protective response to injury or infection, and understanding what are the 5 stages of inflammation can help you interpret your body's signals.