The Good…. The Bad…. & The Ugly.

What is disease?  How many diseases are there?  Diseases vs Conditions…  Types of diseases

Categories of Disease  Infectious Caused by pathogen Communicable Usually acute Promoted by living conditions/lifestyle  Chronic Multiple causes Non communicable Persists for a prolonged period Treatable but may not be curable Promoted by living conditions/lifestyle

Disease Prevalence  Approx. 2.5 million Americans die each year.  What are they dying from?

Top 15 causes of death in U.S.  Heart Disease  Cancer (malignant neoplasms)  Chronic lower respiratory diseases  Stroke (cerebrovascular disease)  Accidents (unintentional injuries)  Alzheimer’s  Diabetes  Nephritis  Influenza and pneumonia  Suicide  Septicemia  Chronic liver disease & cirrhosis  Hypertension  Parkinson’s Disease  Pneumonitis due to solids & liquids National Vital Statistics Report, 2010

Any trends?  The good news…  Some bad news…  Top 3 causes of death = more than 50% of all deaths.

Worldwide causes of death  Heart disease  Stroke  Lower respiratory infections  COPD  Diarrheal diseases  HIV/AIDS  Trachea, bronchus, lung cancers  Tuberculosis  Diabetes  Road traffic accidents World Health Organization, 2011

Oregon’s top 3 causes of death  Cancer  Heart disease  Chronic lower respiratory diseases  Causes 4-10 vary by male / female

Disease process  What causes disease?  Who gets diseases?  How are diseases diagnosed and treated?  How does all of this affect us?

Background terminology  Diagnosis  Prognosis  Signs / Symptoms  Mortality / Morbidity  Etiology Idiopathic  Treatment  Sequela

Disease and Public Health  Public health approach is prevention.  Possible?

Disease and Politics  Disease is very political Ex: US Congress added ADD/ADHD to the Disabilities Education Act in  Who decides health care laws / policies?  Who decides funding for disease research?