What happens to your body when your immune system malfunctions?

What happens to your body when your immune system malfunctions?

But if the immune system malfunctions, it mistakenly attacks healthy cells, tissues, and organs. Called autoimmune disease, these attacks can affect any part of the body, weakening bodily function and even turning life-threatening. Scientists know about more than 80 autoimmune diseases.

How are autoimmune diseases related to the immune system?

Introduction. Autoimmune diseases result from a dysfunction of the immune system. The immune system protects you from disease and infection. Sometimes, though, the immune system can produce autoantibodies that attack healthy cells, tissues, and organs. This can lead to autoimmune disease. Autoimmune diseases can affect any part of the body.

How to know if you have a weak immune system?

1 Be born with a weak immune system. This is called primary immune deficiency. 2 Get a disease that weakens your immune system. This is called acquired immune deficiency. 3 Have an immune system that is too active. This may happen with an allergic reaction. 4 Have an immune system that turns against you. This is called autoimmune disease.

How does a healthy immune system protect the body?

A healthy immune system defends the body against disease and infection. But if the immune system malfunctions, it mistakenly attacks healthy cells, tissues, and organs. Called autoimmune disease, these attacks can affect any part of the body, weakening bodily function and even turning life-threatening.

But if the immune system malfunctions, it mistakenly attacks healthy cells, tissues, and organs. Called autoimmune disease, these attacks can affect any part of the body, weakening bodily function and even turning life-threatening. Scientists know about more than 80 autoimmune diseases.

Introduction. Autoimmune diseases result from a dysfunction of the immune system. The immune system protects you from disease and infection. Sometimes, though, the immune system can produce autoantibodies that attack healthy cells, tissues, and organs. This can lead to autoimmune disease. Autoimmune diseases can affect any part of the body.

A healthy immune system defends the body against disease and infection. But if the immune system malfunctions, it mistakenly attacks healthy cells, tissues, and organs. Called autoimmune disease, these attacks can affect any part of the body, weakening bodily function and even turning life-threatening.

How does the immune system imitate an infection?

Vaccines help develop immunity by imitating an infection. This type of infection, however, almost never causes illness, but it does cause the immune system to produce T-lymphocytes and antibodies. Sometimes, after getting a vaccine, the imitation infection can cause minor symptoms, such as fever.