Autoimmune diseases or disorders, their symptoms, causes, diagnosis, treatment, prevention, medications, and their side effects, and home remedies (April 2025):
What is the immune system? Our immune system is a large network of organs, white blood cells, proteins, and chemicals. These parts all work together to protect us from germs and other invaders. It also helps our body heal from infections and injuries. The various organs, tissues, and cells of our immune system are distributed throughout our body. They all work together to help keep us healthy. Functions of the immune system: Our immune system works hard to keep us healthy. It does this by: Keeping invaders (like germs) out of our bodies. Destroying invaders. Limiting how much harm the invaders can do if they’re inside our bodies. Healing damage to your body. Adapting to new challenges and threats. Who are the invaders of our body? Our immune system protects us against invaders, such list includes: Bacteria. Viruses. Fungi that can cause infections. Parasites. Cancer cells. How does the immune system work? When our immune system is working properly, it: Tells the difference b...