Bell Ringer Open your student workbook and turn to page 49. Under the heading Journal Entry, write a few sentences about how old you think you will live to be and why.

Unit 3: Abstinence, Personal & Sexual Health Lesson 1: Living a Healthy Life and Lesson 2: Preventing Infectious Disease

Healthy Behavior Outcomes Seek out health care professionals for appropriate screenings and examinations. Practice behaviors that prevent infectious diseases.

Lesson Objectives By the end of this lesson, you should be able to: Explain the difference between life expectancy and quality of life. Describe factors that can affect quality of life. Assess personal health- and wellness-related practices and behaviors that reduce or prevent health risks. Summarize direct and indirect ways common infectious diseases can be transmitted. Explain the relationship between injection drug-use and transmission of blood-borne diseases such as HIV and hepatitis. Summarize ways to prevent the spread of infectious diseases.

Life expectancy –the expected number of years of life remaining at any given age for a group of people. Lifespan –the number of years he or she actually lives.

To what age do you think someone in the United States who is 15 years old today will live?

Summary According to statistics compiled by the Centers for Disease Control and Prevention, someone living in the United States who’s 15 years old right now could expect to live another 64-65 years –to an average age of 78.5 years. 15-year-old males would live to be 76. 15-year-old females would live to be 81.

Why do you think the average life expectancy is different for males and females?

Summary Experts agree that males are more likely to: Participate in risk-taking behaviors, such as driving fast or reckless. Participate in high-risk sports. Use tobacco and alcohol. Not seek medical attention when they need it.

Summary (cont.) Experts also agree that females are more likely to: Have support system to help them handle stress. Seek professional health care when sick or injured. Get routine health screenings, such as annual physicals and other tests.

Quality of life includes all the things or aspects that make a person’s life enjoyable and meaningful.

What do you think contributes to a person’s quality of life?

Summary Health includes physical, mental/emotional, intellectual, social, and spiritual dimensions. All of these dimensions of health are important, and they all have an effect on the quality of a person’s life. Fortunately, many of the things that can improve your health and help you live a long life will also contribute in positive ways to quality of life.

Assessing My Health Habits Turn in your student workbook to pages 2 & 3. Read the directions and complete the survey questions.

Turn to page 51 in your student workbook. Under the heading Journal Entry, write a few sentences about how being ill could affect a person’s quality of life. How does a temporary sickness or infection, such as a cold or the flu affect quality of life? What about a more serious or longer-lasting illness?

Ways to Prevent Infection Eliminate the source of the pathogen. Handle and dispose of body fluids appropriately. Safely handle and dispose of contaminated items. Keep food safe. Protect yourself.

Ways to Stop the Spread of Infection Don’t spread germs to others. Don’t spread germs to objects. Don’t spread germs to food. Keep your immune system strong by following healthy habits.

What is one behavior that you plan to do today to reduce your risk of getting an infectious disease?