5.- The Immune System - Diseases

Diseases:

Rheumatoid arthritis: Is a disease that mistakenly attacks the joints, causing inflammation. If the inflammation is not controlled, it can damage the cartilage. The joints can become loose. It usually affects the joints of the hands, feet, wrists, knees, elbows and ankles.

Symptoms:
- Joint pain
- Fatigue
- Stiffness
- Swelling in the joints

Vasculitis: When the immune system attacks the blood vessels by mistake. This can happen when there is an infection or disease.
The interruption of blood flow caused by inflammation, can damage the body's organs.

Symptoms:
- Loss of appetite
- Weightloss
- Fatigue
- General discomfort

Myasthenia gravis: Is a chronic neuromucular disease that weakens the skeletal mmusculos the body.
Most people with myasthenia gravis have a normal life esperanzacde.

Symptoms:
- Fatigue
- Difficulty breathing
- Trouble climbing stairs or lifting.
- Dropping eyeli

Webgraphy:

http://www.medicinenet.com/rheumatoid_arthritis/article.htm

http://www.webmd.com/a-to-z-guides/autoimmune-diseases

http://www.arthritis.org/about-arthritis/types/rheumatoid-arthritis/what-is-rheumatoid-arthritis.php

https://www.nhlbi.nih.gov/health/health-topics/topics/vas/signs