Section 9.2 Safely Managing Your Weight Objectives

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Presentation transcript:

Section 9.2 Safely Managing Your Weight Objectives Examine how heredity, activity level, and body composition influence a person’s weight. Calculate your body mass index. Identify health problems associated with being overweight and underweight. Summarize strategies for losing or gaining weight.

Health Stats What health trend do these statistics reveal? What changes might help reverse this trend? How successful do you think the changes would be?

What Weight Is Right for You? A person’s weight is determined by various factors, including heredity level of activity body composition The weight that is right for you is the weight that does not present any health risks.

Heredity There is a link between body weight and heredity. You may have a natural tendency toward a certain weight.

Activity Level The more active you are, the more calories you burn. If you are less active, you need fewer calories. The number of calories consumed must equal the number of calories burned.

Body Composition Body composition is a measure of how much body fat you have, as compared to muscle and bone. Body composition is affected by sex and age. Women tend to have more body fat and lower muscle mass than men.

Body Mass Index Body mass index (BMI) is a ratio of your weight to your height. ( ) Weight (in pounds) [Height (in inches)]2 BMI = x 703 Follow these steps to calculate your BMI. Multiply your height (in inches) by your height (in inches). Divide your weight (in pounds) by the number from Step 1. Multiply the number from Step 2 by 703.

Overweight and Obesity The number of people in the United States who are overweight is increasing. Being overweight can lead to serious health problems, including heart disease and diabetes.

A Growing Problem Overweight is a term used to describe a person who is heavier than the standard for the person’s height. Obesity (oh BEE sih tee) refers specifically to adults who have a BMI of 30 or higher. More calories are being consumed by people today. People today burn fewer calories.

Health Risks Overweight people tend to develop several health problems high blood pressure excess cholesterol in the blood excess glucose in the blood heart disease stroke certain cancers

What You Can Do Prevention is the key to avoiding the health problems associated with being overweight. Healthy eating and regular exercise can help you avoid becoming overweight in the first place.

For: Updates on food and diet Click above to go online.

Underweight Underweight is a term used to describe a person who is lighter than the standard for the person’s height.

Health Risks Being underweight can be linked to health problems anemia heart irregularities trouble regulating body temperature

What You Can Do Be patient. As you mature, there probably will come a time when your weight will start to increase. Healthy eating and exercise are as important for putting on weight as they are for taking off weight.

Evaluating Diet Plans Will a diet live up to its claims? Is it good for your health?

Does the diet provide fewer than 1,200 calories a day? Does the diet cut out fats, carbohydrates, or proteins? Does the diet promise rapid weight loss in a short amount of time (more than 1 or 2 pounds per week)? Does the diet ignore the need for long-term changes in eating habits? Does the diet ignore the need for regular exercise? “Yes” answers to one or more questions may indicate a diet that is unlikely to work. What’s worse, the diet could harm your health in the long term.

Evaluating Diet Plans Choose a diet plan that you have seen advertised or have read about. Use the checklist to evaluate the diet. Then write a paragraph evaluating the diet plan.

Healthy Weight Management Sensible weight management involves avoiding dangerous diet plans choosing nutritionally balanced meals and snacks getting regular exercise

Dangerous Diet Plans Fad Diets A fad diet is a popular diet that may help a person lose or gain weight but without proper regard for nutrition and other health issues. Diet Aids Diet aids include pills and candies that are supposed to suppress appetite. Fasting Some people fast, or refrain from eating.

Sensible Weight Loss Recognize Eating Patterns Keep a diary of your current eating habits. Plan Helpful Strategies Change your eating habits gradually. Exercise Your weight-loss program will be far more effective if you exercise.

Sensible Weight Gain Avoid snacks right before mealtimes. Choose nutrient-dense foods that are high in calories. Don’t increase your fat intake over what is recommended in the MyPyramid plan. Try not to skip meals. Take bigger helpings of food than usual. While you are increasing your caloric intake, do not neglect exercise.

Vocabulary body composition A measure of how much body fat a person has, as compared to muscle and bone. body mass index (BMI) A ratio of a person’s weight to height . BMI = [Weight (in pounds)/Height (in inches)2] × 703. overweight Term used to describe a person who is heavier than the standard for the person’s height. underweight Term used to describe a person who is lighter than the standard for the person’s height. fad diet A popular diet that may help a person lose or gain weight but without proper regard for nutrition and other health issues.

QuickTake Quiz Click to start quiz.

End of Section 9.2 Click on this slide to end this presentation.