1. DISORDERS OF THE IMMUNE SYSTEM

2. ALLERGIES: An allergy is an unusually high sensitivity to a substance.
Any substance that causes an allergic reaction is called an allergen (eg. milk, pollen, dust, pet dander)

3. Symptoms of Allergies

4. ALLERGIES:
Side effects of an allergic reaction are a result of histamine.
Histamine is a chemical that your body releases when you need to fight invaders. (common symptoms: runny nose and watery eyes)

6. Skin Allergy Test

7. anaphylactic shock
Severe allergies can cause anaphylactic shock (swelling, breathing difficulties, and sometimes death).

8. Rheumatoid Arthritis
Rheumatoid Arthritis occurs when your immune system mistakenly attacks your own body's tissues.
It affects the lining of your joints, causing a painful swelling and joint deformity.

9. AIDS/HIV
Acquired Immunodeficiency Syndrome (AIDS) is an infection of the immune system that leads to health complications and often death.
AIDS is cause by the human immunodeficiency virus (HIV) that attacks the immune system by infecting Helper T-cells.

10. AIDS

11. AIDS/HIV AIDS is transmitted by blood and semen.
There’s no cure for HIV/AIDS, but a variety of medications can be used in combination to control the virus.

12. Why it’s so hard to cure HIV
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13. Taking Care of your Immune System
Eat a well-balanced diet
Maintain personal hygiene (bathing, washing hands, brushing teeth)
Keep home clean
Avoid tobacco and other non-prescription drugs
Get plenty of rest and exercise
Keep vaccinations up to date
Do not engage in activities that involve sharing body fluids with others.

14. Immune Response Comic Strip
(c) McGraw Hill Ryerson 2007