Wellness Throughout Life
Top 10 Public Health Achievements
in the 20th Century
2. Motor vehicle safety
3. Safer workplaces
4. Control of infectious disease
5. Decline in deaths from coronary heart disease and stroke
6. Healthier mothers an
Chronic Versus Acute
An acute illness lasts for a few days and doesnt have long-term effects.
Examples are colds or the flu.
A chronic illness lasts a long time. Examples include cancer, diabetes, arthritis,
and heart disease.
Six Major Causes
of Infectious Diseases
Microscopic, single-celled organisms that can be found practically anywhere.
Many types of bacteria can live in the body without causing harm.
What Is an Infectious Disease?
An infectious disease is a disease that can spread easily from one person to another.
Chain of Infection
Method by which a pathogen transmits a disease
Six distinct links
Portal of exit
Substance use: When a person uses a legal or illegal substance
Substance abuse: Repeated and prolonged or heavy use of substances
Substance dependency: Continued use of a legal or illegal substance that has a
negative effect on
More People Are Living Longer
The population size and shape has been changing in the United States.
In 1950, there were few older adults and many children.
In 2020, there will be almost the same number of people in every age group.
Absence of illness is the result of a series of complex interactions between a person and
Dimensions of health include the following:
Varying degrees of health wi
Identify the five components of health-related fitness and describe the importance of
Describe the benefits of cardiorespiratory fitness and how you can improve and maintain
it throughout your life.
Describe the differences between mu
Cardiorespiratory fitness refers to the ability of the heart and lungs to efficiently deliver
oxygen and nutrients to the muscles and cells by way of the bloodstream.
Cardio refers to the cardiac (heart) system.
Muscular Strength and Endurance
Muscular strength is the capacity of the muscle to exert force against a resistance.
Muscular endurance is the capacity of the muscle to exert a force repeatedly against a
Together they allow people to perform a