When people think about the immune system, they often picture white blood cells fighting off bacteria and viruses. While that is true, one group of immune cells deserves special attention for its role in supporting the body every day: macrophages. Macrophages are among the first responders of the immune system. They help defend against harmful invaders, remove damaged cells, support tissue repair, and coordinate immune activity. More importantly, macrophages help maintain immune balance rather than simply making the immune system “stronger.” Understanding how macrophages work can provide valuable insight into immunity, inflammation, and healthy ageing. What Are Macrophages? Macrophages are a type of white blood cell that belongs to the…