The immune system is a complex network of cells and chemicals that defend the body against harmful invaders like bacteria, viruses, fungi, and parasites. It includes various components such as ...

Men and women experience immune aging differently, affecting disease risks. New data-driven research identifies key ...

As the body ages, so does the immune system. The immune system usually becomes less effective in older age, a process known as immunosenescence. This can increase the risk of: While you can’t prevent ...