More than 100 different autoimmune diseases
are known to affect the population. Crohn’s disease is one of them.
What is the immune system?
Our bodies have a natural defense system, the immune system
, which protects against foreign forces in the body. The immune system is made up of antibodies, cells, tissue, and organs that come together to protect the body from harmful invaders or pathogens. When harmful cells (pathogens or organisms) enter the body, such as bacteria, viruses, fungi, or parasites, the immune system's job is to hunt them down and eliminate the threat.
Normally, the body can do this almost effortlessly, but sometimes the immune system is compromised and unable to do so. This is known as being immunocompromised. It may be due to age, medications known as immunosuppressants, such as steroids and antibiotics, and medical conditions such as common variable immune deficiency
and autoimmune diseases.
What is an autoimmune disease?
An autoimmune disease occurs when the body’s defenses (the immune system) have trouble distinguishing between the body's own natural cells and foreign cells. These defenses end up attacking everything, including the good cells in the body, leaving a person defenseless. Most autoimmune diseases can't be diagnosed by a single test. How