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OBJECTIVES
explain how eating and physical activity affect weight.
describe ways to maintain a healthy weight.
identify the importance of a healthy body image.
OBESITY
• 32% of Americans are obese
• The obesity rate has doubled since 1980
• Obesity is the 2nd leading preventable cause of death in America
2000
Obesity Trends* Among U.S. AdultsBRFSS, 1990, 2000, 2010
(*BMI 30, or about 30 lbs. overweight for 5’4” person)
2010
1990
No Data <10% 10%–14% 15%–19% 20%–24% 25%–29% ≥30%
OBESITY
overweight Weighing more than what it is appropriate for your gender, height, age, body frame, and growth pattern
MANAGING WEIGHT
Everyone has an appropriate weight.
appropriate weight The weight that is best for your body
OBESITY
You can determine if your weight is in an appropriate range by calculating your body mass index (BMI).
body mass index (BMI) A measurement that allows you to assess your body size, taking your height and weight into account
MANAGING WEIGHT
To keep yourself at a healthy weight you need to balance calories in to calories out.
MANAGING WEIGHT
Females between the ages of 13 and 18 need approximately 1,800 to 2,400 calories each day depending on how active they are.
MANAGING WEIGHT
Males between the ages of 13 and 18 need approximately 2,200 to 3,200 calories each day depending on how active they are.
MANAGING WEIGHT
A person who needs to lose weight should do so gradually through proper eating and exercising.
MANAGING YOUR WEIGHT
Do not take short cuts using fad diets, diet pills, or extreme workout programs.
MANAGING YOUR WEIGHT
A person who needs to gain weight should carefully analyze how they can gradually add calories and nutrients.
If you need to adjust your weight, talk to your health care provider.
MANAGING YOUR WEIGHT
underweight Weighing less than what it is appropriate for your gender, height, age, body frame, and growth pattern
Teens who are underweight lack body fat, which is an important source of energy.
Teens who are underweight may also be undernourished.
BODY IMAGEAs your body changes
in your teen years, so does your body image.
body image The way you see and feel about your body