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Key Ideas

  • Culture and family traditions and availability and cost of food affect what and how we eat.
  • Malnutrition and obesity are common food problems that can be corrected in many cases.
  • Anorexia nervosa and bulimia are two eating disorders that can cause severe health problems.

Overview

Students apply their knowledge from previous section to identify habits and factors that affect dietary choices. They learn about hunger, appetite, and food preferences. Students investigate how certain factors affect dieting and eating disorders.

Objectives

Students:

\checkmark compare present-day choices of food gathering, diet, preparation, and preservation with choices available hundreds of thousands of years ago.

\checkmark identify factors affecting diet.

\checkmark describe malnutrition, obesity, anorexia nervosa, and bulimia.

Vocabulary

anorexia nervosa, bulimia

Student Materials

Activity 5-1: Can You Become Obsessed with Food?

  • Activity Report
  • Video clip or video film titled Fear of Fat (or information on anorexia nervosa and bulimia)
  • Assorted magazines

Teacher Materials

Activity 5-1: Can You Become Obsessed with Food?

A large variety of magazines, especially fashion magazines, and lists of popular movie titles and television shows

Advance Preparation

See Activity 5-1 in the Student Edition

Activity 5-1: Can You Become Obsessed with Food?

  • Collect magazines.
  • Obtain and preview video Fear of Fat. (If unavailable, collect articles or other reliable media about bulimia and anorexia nervosa.)

Interdisciplinary Connections

Social Studies Examine the important cultural and social roles of food in different countries.

Health Design an ad campaign to communicate the importance of eating a balanced diet to stay healthy.

Background Information

The following are some warning signs of bulimia:

People who appear to eat large amounts of food do not gain weight. They discuss ways to eat a lot of food without weight gain. They may buy or carry laxatives. There is evidence of throwing up after meals. For example, catching the person in the act, residue or smells in the bathroom, leaving the table to go to the bathroom right after eating, buying or carrying drugs that cause vomiting, and swollen glands under the jaws. Large dentist bills may also be evidence of repeatedly throwing up. The acid in the stomach contents ruins tooth enamel. In addition, physical problems such as paleness, dizziness, muscle cramps, and heart or kidney problems may indicate bulimic behavior. People with bulimia need help from a trained health professional.

Image Attributions

Description

Authors:

Grades:

6 , 7 , 8

Date Created:

Feb 23, 2012

Last Modified:

Apr 29, 2014
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