Understanding Inflammation: What is it and Why Does it Happen? Inflammation is a biological response that occurs when the body encounters harmful stimuli like the pathogens, damaged cells, or irritants. It is a vital aspect of the immune system's response to injury and infection, aiming to delete the root cause of cell injury, clear out necrotic cells and tissues damaged from the original insult, and initiate tissue repair. Read More:- https://www.zupyak.com/p/4239565/t/understanding-inflammation-what-is-it-and-why-does-it-happen