About This Chapter
Health Issues and Concerns - Chapter Summary and Learning Objectives
There are a great many health issues and concerns that can be discussed within the context of life science. In this series of video lessons, you'll get an overview of major health problems affecting people. You'll learn about measures taken to address these problems, from disease control to healthy eating habits to environmental health improvements. At the end of this chapter, you should be able to:
- Summarize the major health problems facing Americans in general
- Describe disease control and prevention measures
- Discuss the role of healthy eating and physical activity in good health
- Describe conditions that can interfere with achieving and maintaining good health
- Define environmental health
|Major Health Problems in the United States||Describe the general health condition of Americans, and summarize major health problems.|
|What Are Viruses? - Definition, Structure, and Function||Explain what viruses are, how they work, and give a brief overview of how they were discovered.|
|Disease Control & Prevention||Describe the ways in which infection control measures are carried out, such as sanitation, vaccination, and vector control.|
|The Differences Between Infection and Disease||List the differences between these types of ailments.|
|Substance Use, Abuse, and Dependence: Causes of Substance Disorders||Describe substance abuse, and discuss possible causes, including sociocultural, psychodynamic, cognitive-behavioral, and biological factors.|
|Tobacco Use and Health||Describe the risks of various kinds of tobacco use; outline the effects of tobacco on the body.|
|Nutrients: Types and Relationship to Long-term Health||List six types of nutrients, and describe how each has a role in maintaining good health.|
|Making Healthy Nutritional Choices||Outline how to change habits and develop new behaviors; define the USDA MyPyramid Plan, and explain how it works.|
|The Benefits of Regular Physical Activity||Describe how regular exercise contributes to good physical and mental health.|
|What is Anorexia Nervosa? - Definition, Symptoms, Treatment and Prognosis||Define this illness, and provide an overview of symptoms, treatment, and prognosis.|
|What is Bulimia Nervosa? - Definition, Symptoms, Treatment and Prognosis||Define bulimia nervosa, and provide an overview of symptoms, treatment, and prognosis.|
|What Is Environmental Health? Definition, Types, and Sources||Define environmental health; define four types of environmental hazards, as well as indoor and outdoor threats.|
1. Major Health Problems in the United States
Ever wonder what the most common health-related problems are in the United States? You're about to find out what they are and how some of them are related.
2. How the Human Immune System Works
Your immune system protects you against microorganisms that could make you sick. It is made up of an army of white blood cells that work together to recognize and destroy the bad guys. Learn how your immune system and immunizations work.
3. What Are Viruses? - Definition, Structure & Function
In this lesson, you'll learn some historical facts about viruses and the material they are composed of. Find out more as we review the capsid, nucleic acids, the viral envelope, viruses, virions, bacteriophages and virology.
4. Disease Control & Prevention
This lesson will discuss the many different ways by which people can control disease. Everything from vaccination to sterilization and beyond will be mentioned so that you can better appreciate the large arsenal of tools at our disposal.
5. The Differences Between Infection and Disease
This lesson will go over the differences between an infection and a disease. We'll cover everything from prions and infectivity to opportunistic infections and idiopathic disease. We'll also learn what the etiology of disease is and much more.
6. Tobacco Use & Health
Tobacco contains an addictive chemical called nicotine. Nicotine is why it is so hard to stop using tobacco once you start. Learn how smoking or chewing tobacco causes diseases, affects your breathing and even causes bad breath and yellow teeth.
7. Simple & Complex Carbohydrates: Dietary Needs
This lesson will explore the many different kinds of carbohydrates found in food. You'll learn about monosaccharides, disaccharides, polysaccharides, and much more!
8. Insoluble and Soluble Fiber: Dietary Needs
If you didn't know this already, there are many different kinds and functions of fiber! You'll learn about what dietary, functional, total, soluble, and insoluble fiber is and how much you need each day and why.
9. Proteins & Amino Acids: Importance & Dietary Needs
Can protein become fat? How much protein do we need? What's the difference between an essential and a complete protein? You'll find out that and much more as we go over the nutritional aspects of proteins.
10. Saturated, Monounsaturated & Polyunsaturated Fat: Dietary Needs
Fat has been derided as being really bad for you despite serving many important functions. You'll learn about these functions and the different kinds of fat you may encounter as well as why a lot of fat can truly, in the end, be bad for you.
11. Vitamins We Need: Their Importance & Sources
There are a lot of different vitamins, and they come from many different places! This lesson will teach you about what they are, how many different kinds you need, what they do, and where you can obtain them naturally.
12. Minerals in Our Food: Functions in the Body & Food Sources
Minerals are important substances that help your body's form and function on many different levels. This lesson will go over some important ones, what they do, and where they are found in our diets.
13. Making Healthy Nutritional Choices: Habits, Behaviors & Resources
This lesson will help you see how easy it is to track what you eat and change your diet for the better. It will also provide you with additional information on where a wealth of information on healthy nutrition can be found.
14. The Benefits of Regular Physical Activity: Mental Health, Stress & Life Span
The mind and body can greatly benefit from even 30 minutes of exercise a day. Find out exactly what impact regular exercise can have on your mind, body, and lifespan in this video lesson.
15. What is Anorexia Nervosa? - Definition, Symptoms, Treatment and Prognosis
This lesson explores what anorexia nervosa is and why it is so dangerous. It covers common symptoms seen in children who may develop anorexia as well as what anorexia will do to those who suffer from it.
16. What is Bulimia Nervosa? - Definition, Symptoms, Treatment and Prognosis
This lesson explores bulimia as well as challenges many common misconceptions of bulimia. Specifically, this lesson describes the diagnostic requirements, the subtypes, and the treatments known to help with bulimia.
17. What Is Environmental Health? Definition, Types & Sources
In this video lesson, you will learn about environmental health. You will also learn about threats to environmental health and how to distinguish between different categories of environmental hazards.
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Other chapters within the Life Science: Middle School course
- Introduction to Life Science
- Characteristics & Chemicals of Life
- The Parts of Cells
- DNA Replication & Mutation
- Cell Division & the Cell Cycle
- How Living Organisms Get Energy
- Classification of Organisms
- The Origin & History of Life On Earth
- Genetics & Hereditary Traits
- Genetic Engineering Basics
- Natural Selection & Evolution in Life Science
- Microbiology & Types of Microbes
- Introduction to Ecosystems
- Types of Ecosystems
- Changing Ecosystems
- Birds & Mammals
- Animal Behavior & Communication
- Mammal Reproduction & Development
- The Respiratory System
- The Cardiovascular System
- The Blood Vessels
- The Digestive System
- The Urinary & Endocrine Systems
- The Brain & Nervous System
- The Muscular System
- The Skeletal System & Connective Tissue
- Sight, Hearing & Other Senses
- Plant Biology & Structure
- How Plants Grow & Reproduce
- Environmental Concerns
- Natural Resources
- Earth History & Geologic Time