2.  Diseases that are not spread by pathogens.  Could be from birth  Could be from lifestyle choices  Could be from the effects of a person’s environment.

3.  A chronic disease is one that is either continuously or off and on over a long period of time.  Example: Asthma

4.  Some diseases cause a further breakdown of body cells and tissues, or to degenerate.  These are called degenerative diseases.  Example- multiple sclerosis (MS)  Arthritis

5.  Can be from birth defects, or genetic disorders.  This can be caused by x rays, use of alcohol or drugs, lifestyle choices

6.  Common Non communicable Diseases

7.  Risk factors- characteristics that increase a person’s chances of developing a disease.

8.  Chemical waste  Certain construction materials  Household chemicals  Secondhand smoke  Improper waste disposal  Radon-colorless, odorless gas  Carbon monoxide

9.  Answer questions 1-7, page 479.