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Chapter 18 Noninfectious Diseases
Chapter 18 Lesson 1 Disease and Disease Prevention Bellringer Explain the difference between infectious diseases and noninfectious diseases.
Chapter 18 Lesson 1 Disease and Disease Prevention Objectives • Explainwhat a noninfectious disease is. • Explain the relationship between risk factors and noninfectious diseases. • Identify three strategies for preventing noninfectious diseases.
Chapter 18 Lesson 1 Disease and Disease Prevention Start Off Write How might you get a disease that cannot be passed from person to person?
Chapter 18 Lesson 1 Disease and Disease Prevention Noninfectious Diseases and Injuries • What Is a Noninfectious Disease?A noninfectious disease is a disease that is not caused by a virus or a living organism. • Types of Noninfectious Diseases Noninfectious diseases include immune system disorders, diseases of organs or systems, and nutrition disorders.
Chapter 18 Lesson 1 Disease and Disease Prevention Noninfectious Diseases and Risk Factors • What Is a Risk Factor?Age, gender, race, and diet—are what doctors call risk factors. A risk factor is a characteristic or behavior that raises a person’s chances of getting a noninfectious disease. • Risk Factors You Can Control There are some risk factors, such as how much food you eat, that you can control. And in some cases, the risk factors you can control are the most important ones.
Chapter 17 Lesson 1 Disease and Disease Prevention
Chapter 18 Lesson 1 Disease and Disease Prevention Preventing Noninfectious Diseases • Safety EquipmentWearing a helmet when you ride your bicycle and wearing a seat belt when you ride in a car will prevent most injury-related diseases. • Controlling Your Weight Obesity, or weighing at least 20 percent more than your recommended weight, is related to a variety of noninfectious diseases, including type 2 diabetes, heart disease, and high blood pressure.
Chapter 18 Lesson 1 Disease and Disease Prevention Preventing Noninfectious Diseases continued • Avoiding TobaccoMost cases of mouth and throat cancer can be prevented if people don’t smoke or chew tobacco. • Avoiding Alcohol Liver diseases and other diseases can be prevented by not abusing alcohol.
Chapter 18 Lesson 1 Disease and Disease Prevention Living with Noninfectious Diseases • TreatmentMost noninfectious diseases cannot be cured, but they can be treated. To treat a disease is to provide medical care to someone who has that disease. • Controlling Disease Cancer, heart disease, and other noninfectious diseases can be controlled if they are discovered and treated properly.
Chapter 18 Lesson 2 Hereditary Diseases Bellringer What physical characteristics do you have in common with your parents or your brothers and sisters?
Chapter 18 Lesson 2 Hereditary Diseases Objectives • Describe how genes are related to hereditary diseases. • Give three examples of hereditary diseases.
Chapter 18 Lesson 2 Hereditary Diseases Start Off Write What do genes do?
Chapter 18 Lesson 2 Hereditary Diseases Genes and Hereditary Diseases • What Is a Hereditary Disease?A hereditary disease is a disease caused by defective genes inherited by a child from one or both parents. • What Do Genes Do? Genes control the activities of cells and determine a person’s physical characteristics.
Chapter 18 Lesson 2 Hereditary Diseases Living with Hereditary Diseases • Testing for Hereditary DiseasesBecause doctors are able to test for a number of hereditary diseases, they can often reduce the problems the disease might cause. • Examples of Hereditary Diseases Down syndrome and cystic fibrosis, or CF, are two examples of hereditary diseases.
Chapter 18 Lesson 2 Hereditary Diseases Problems can be reduced if a disease is detected early.
Chapter 18 Lesson 3Metabolic and Nutritional Diseases Bellringer Briefly explain what you know about metabolism.
Chapter 18 Lesson 3Metabolic and Nutritional Diseases Objectives • Describe how metabolism and nutrition are related to disease. • Identify two examples of metabolic diseases. • List two ways to prevent metabolic diseases.
Chapter 18 Lesson 3Metabolic and Nutritional Diseases Start Off Write Why is a healthy diet important in preventing noninfectious diseases?
Chapter 18 Lesson 3Metabolic and Nutritional Diseases Your Metabolism • What Is Metabolism?Metabolism is the process by which the body converts the energy in food into energy the body can use. • Nutrition and Metabolism Nutrition and diet are important to metabolism. Nutrition is the result of all the processes, including digestion and metabolism, by which your body takes in nutrients in food and uses the nutrients to maintain your health.
Chapter 18 Lesson 3Metabolic and Nutritional Diseases Praeventing Nutritional Diseases • MalnutritionAn improper or unhealthy diet may lead to malnutrition, which is poor nourishment caused by a lack of nutrients. • Avoiding Nutritional Diseases Eat a nutritious and balanced diet. Avoid excess Calories found in foods such as fried food, large bottles of soda, candy, and cookies.
Chapter 18 Lesson 4Allergies and Autoimmune Diseases Bellringer List as many words as you can that begin with the prefix auto-.
Chapter 18 Lesson 4Allergies and Autoimmune Diseases Objectives • Explain what it means to have an allergy. • Describetwo ways to treat allergies and autoimmune diseases.
Chapter 18 Lesson 4Allergies and Autoimmune Diseases Start Off Write What is the purpose of your immune system?
Chapter 18 Lesson 4Allergies and Autoimmune Diseases Being Allergic • What Is an Allergy?An allergy is an overreaction of the immune system to something in the environment that is harmless to most people. • What Is an Autoimmune Disease? An autoimmune disease is a disease in which a person’s immune system attacks certain cells, tissues, or organs of the body.
Chapter 18 Lesson 4Allergies and Autoimmune Diseases Living with Immune Reactions • Treating Immune ReactionsIt is not possible to prevent allergies and autoimmune diseases totally. However, treatments for many of these diseases are available. • Avoiding Allergens You can take steps to reduce allergy reactions. Always follow your doctor’s advice. Avoid things to which you know you are allergic.
Chapter 18 Lesson 5 Cancer Bellringer List as many causes of cancer as you can.
Chapter 18 Lesson 5 Cancer Objectives • Explainhow the growth of cancer cells is different from the growth of normal cells. • Identify three ways to treat cancer.
Chapter 18 Lesson 5 Cancer Start Off Write How do doctors treat cancer?
Chapter 18 Lesson 5 Cancer What Is Cancer? • Uncontrolled Cell GrowthCancer is a disease in which cells grow uncontrollably and invade and destroy healthy tissues. • What Is a Tumor? A tumor is a mass of abnormal cells.
Chapter 18 Lesson 5 Cancer Common Types of Cancer • Cancerous TissuesCommon types of cancer include: • 1. Skin cancer • 2. Lung cancer • 3. Colon and rectal cancer • 4. Leukemia • 5. Lymphoma • 6. Reproductive organ cancers
Chapter 18 Lesson 5 Cancer Diagnosing and Treating Cancer • Destroying Cancer CellsThe following are three major cancer treatments: • 1. Surgery • 2. Chemotherapy • 3. Radiation
Chapter 18 Lesson 5 Cancer
Chapter 18 Lesson 5 Cancer Preventing Cancer • Abstain from SmokingMen who smoke are 22 times more likely to get lung cancer than men who don’t smoke. • Avoid Direct Sunlight A leading cause of skin cancer is prolonged exposure to sunlight. • Abstain from Drinking Other kinds of cancer are caused by alcohol abuse or by exposure to chemicals in the environment.
Chapter 18 Lesson 6 Chemicals and Poisons Bellringer Draw a diagram that shows the locations of the rooms in your home. Label the locations where poisons may be located.
Chapter 18 Lesson 6 Chemicals and Poisons Objectives • Identifyfour possible sources of environmental poison. • Describe how environmental poisons may cause disease.
Chapter 18 Lesson 6 Chemicals and Poisons Start Off Write What do air pollution and cigarette smoke have in common?
Chapter 18 Lesson 6 Chemicals and Poisons Exposure to Environmental Dangers • What Is a Poison?A poison is something that causes illness or death on contact or if it is swallowed or inhaled. • What Is a Toxin? A toxin is a poison produced by a living organism.
Chapter 18 Lesson 6 Chemicals and Poisons Some parts of the environment may be harmful.
Chapter 18 Lesson 6 Chemicals and Poisons Diseases Caused by Environmental Poisons • Environmental PoisonsA wide variety of diseases are caused by environmental poisons such as: • 1. Air pollution • 2. Vinyl chloride • 3. Lead
Chapter 18 Lesson 7 Accidents and Injuries Bellringer List ways that you can protect yourself from accidents and injuries inside your home.
Chapter 18 Lesson 7 Accidents and Injuries Objectives • Explainhow accidents and injuries may cause disease. • Identify strategies to prevent accidents and minimize injuries.
Chapter 18 Lesson 7 Accidents and Injuries Start Off Write How can you avoid serious injuries?
Chapter 18 Lesson 7 Accidents and Injuries Diseases Caused by Injuries • What Is an Accident?An accident is any unexpected event that causes damage, injury, or death. • What Is a Traumatic Injury? A traumatic injury is an injury caused by physical force. Head injuries are a good example.
Chapter 18 Lesson 7 Accidents and Injuries
Chapter 18 Lesson 7 Accidents and Injuries Preventing Traumatic Injuries • Tips to Stay SafeFollow a few simple rules and you can avoid most teen injuries: • 1. Do not drink alcoholic beverages. • 2. Do not play with guns. • 3. Wear a well-fitting helmet and other safety gear when you ride a bicycle or skateboard. • 4. Wear appropriate and well-fitting safety gear when you play a sport. • 5. Learn CPR. • 6. Wear a seatbelt.
Brain Food Video Quiz Click below to watch the Brain Food Video Quiz that accompanies this chapter. You may stop the video at any time by pressing the Esc key. Brain Food Video Quiz
Chapter 17 Lesson 1 Disease and Disease Prevention
Chapter 18 Lesson 2 Hereditary Diseases