Chapter 6 Lesson 1 & 2
Objectives Describe various influences on our body image. Describe various influences on our body image. List health risks associated with being both overweight & underweight List health risks associated with being both overweight & underweight List and describe the characteristics of 3 eating disorders List and describe the characteristics of 3 eating disorders
Body Image The way you see your body The way you see your body Affected by the media & the attitudes of friends & family Affected by the media & the attitudes of friends & family
Weight – Calorie Connection The amount of calories you consume must equal the amount of calories you burn The amount of calories you consume must equal the amount of calories you burn Energy equation = if you take in fewer calories than you burn, you will lose weight Energy equation = if you take in fewer calories than you burn, you will lose weight If you consume more than you burn, you’ll gain If you consume more than you burn, you’ll gain If you consume the same amount, you’ll maintain/stay the same weight If you consume the same amount, you’ll maintain/stay the same weight
One pound of fat… …equals 3500 calories …equals 3500 calories Eating 500 fewer calories a day will result in a 1 pound weight loss after 1 week Eating 500 fewer calories a day will result in a 1 pound weight loss after 1 week
Overweight Condition in which the person is heavier than the standard weight range for his or her height Condition in which the person is heavier than the standard weight range for his or her height Obesity – excess amount of body fat Obesity – excess amount of body fat Genetics play a role but aren’t the only factor Genetics play a role but aren’t the only factor Studies show that 14% of teens are overweight Studies show that 14% of teens are overweight Excess fat puts a strain on the muscles & skeleton Excess fat puts a strain on the muscles & skeleton
Underweight Condition in which a person is less than the standard weight range for his or her height Condition in which a person is less than the standard weight range for his or her height Can lead to fatigue & the decreased ability to fight off illness Can lead to fatigue & the decreased ability to fight off illness
Lesson 2 Fad diets: weight loss plans that are popular for only a short time (often hard to stick with) Fad diets: weight loss plans that are popular for only a short time (often hard to stick with) Liquid diets Liquid diets Fasting – to abstain from eating Fasting – to abstain from eating Diet pills Diet pills Weight cycling – common to those who follow fad diets Weight cycling – common to those who follow fad diets Repeated pattern of loss & regain of body weight Repeated pattern of loss & regain of body weight
Eating Disorders Extremely harmful eating behavior that can cause serious illness or even death Extremely harmful eating behavior that can cause serious illness or even death 90% of those with eating disorders are female 90% of those with eating disorders are female 1% of females age % of females age 16-18
Anorexia Nervosa Disorder in which the irrational fear of becoming obese results in severe weight loss from self imposed starvation Disorder in which the irrational fear of becoming obese results in severe weight loss from self imposed starvation Symptoms: Symptoms: Extremely low calorie intake Extremely low calorie intake Obsession with exercise Obsession with exercise Unnatural interest in food Unnatural interest in food
Bulimia Nervosa Disorder in which some form of purging or clearing of the digestive tract follows a cycle of overeating Disorder in which some form of purging or clearing of the digestive tract follows a cycle of overeating Can cause serious health problems Can cause serious health problems Dehydration Dehydration Kidney problems Kidney problems Destroy tooth enamel Destroy tooth enamel Damages the lining of the stomach & esophagus Damages the lining of the stomach & esophagus Irregular heartbeat Irregular heartbeat
Binge Eating Disorder Compulsive overeating Compulsive overeating Consuming huge amounts of one time & do not try to purge Consuming huge amounts of one time & do not try to purge