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9th Grade Health 11/14
Transcript of 9th Grade Health 11/14
Maintaining a Healthy Weight Lesson 2
and Eating Disorders Lesson 3
Individual Needs Weight management is an issue of energy intake and expenditure. An effective weight-management plan involves developing healthy eating habits and being physically active throughout life. Body Image The way you see your body. This is tied to your perception of weight.
There are general guidelines to assess your weight and keep within a health range. The Weight-Calorie Connection Calories: Their Source
The Energy Equation The calories you consume must equal the calories your body burns.
Calories- Units of heat that measure the energy used and energy that food supplies the body 1 pound=3,500 calories.
3,500 calories less a week and you'll lose 1 pound.
500 calories a day X 7 days= 3,500 calories. fewer calories than you burn=lose weight
more calories than you burn=gain weight Determining your appropriate Weight Range influenced by several factors
activity level Body Mass Index A ratio that allows you to assess your body size in relation to your height and weight. Teens grow at different rates and in different ways. There is no single size, shape, or growth pattern that's normal for everyone. BMI=Weight X 703/Height squared Body Composition the ratio of body fat to lean body tissue. Overweight- a condition in which a person is heavier than the standard weight range for his or her height.
Obesity- having an excess amount of body fat. Weight Related Health Risks Adults with high BMI's are at increased risk for
type 2 diabetes
high blood pressure
osteoarthritis- a joint disease Overweight: A Health Risk Excess body fat strains the muscles and the skeletal system, forcing the heart and lungs to work harder and increasing the risk of high blood pressure and high blood cholesterol. ABC's of good health Aim for Fitness: 60 min/day
Build a Healthy Base: eat the recommended # of servings from each of the 5 food groups
Choose Sensibly: balance high fat choices with low fat foods, and moderate your intake of sugar. Underweight: A Health Risk A condition in which a person is less than the standard weight range for his or her height. A person who is too thin has little stored fat to provide the body with an energy reserve and may not be consuming enough calories and nutrients for health and growth. This may lead to fatigue and decreased ability to fight illness. Healthful Ways to Manage Weight Target your appropriate Weight
Set realistic goals
Personalize your plan (current food and lifestyle habits)
Put your goal and plan in writing (keep a journal)
Evaluate your progress. Healthy Weight Loss Strategies Eat 1,700 to 1,800 calories a day to meet your body's energy needs
Include your favorites in moderation.
Eat a variety of low-calorie, nutrient dense foods: foods that are high in nutrients as compared with their calorie content.
Drink plenty of water! Healthy Weight Gain Strategies Increase your calorie intake: choose foods high in complex carbs (breads, pasta, and potatoes) limit foods high in fat and sugar.
Eat often and take second helpings.
Eat nutritious snacks. Snake 2-3 hours before meals
Build muscle BMI Classifications
• Underweight < 18.5
• Normal 18.5-24.9
• Overweight 25.0-29.9
• Obesity > 30 Activity Answer the following questions with a partner 1. List three factors that influence what an individual's appropriate weight should be.
2. Explain the difference between obesity and overweight
3. Do you think that schools should limit the use of vending machines? Why or why not? Risky weight-loss strategies Fad Diets
Diet Pills Fad Diets Weight loss plans that are only popular for a short period of time
Any weight lost is usually gained back
These diets limit food variety.
Cause dieters to buy certain products Liquid Diets When you replace all food intake with special liquid formula.
You don't get the proper nutrients, causing you to be fatigued.
FDA requires that these products have warnings that recommend they should only be used under close medical supervision Fasting Abstaining from eating
Since your body doesn't have the nutrients, it begins to breakdown protein stored in muscle tissue for energy.
If you also avoid liquids your may become dehydrated. Diet Pills Diet pills work by suppressing appetite.
They may cause drowsiness, anxiety, a racing heart, or other serious side effects.
They can be addictive Weight Cycling The repeated pattern of loss and regain of body weight.
Diet plans may seem to help lose weight but it's usually from water, not fat. Water weight is gained back quickly.
Slow and steady weight loss is the best strategy. Eating Disorder An extreme harmful eating behavior that can cause serous illness or even death.
Reasons are mental or emotion factors such as
poor body image
social and family pressures
perfectionism Anorexia Nervosa A disorder in which the irrational fear of becoming obese results in severe weight loss from self imposed starvation Symptoms include: extremely low caloric intake, an obsession with exercising, emotional problems, an unnatural interest in food, a distorted body image, and denial of an eating problem Health Consequences Malnutrition and starvation, drastic reduction of body fat causes females to stop menstruation.
Loss of bone density, low body temperature, low blood pressure, slowed metabolism, irregular heart beat that can lead to cardiac arrest and sudden death, and reduction in organ size Bulimia Nervosa A disorder in which some form of purging or clearing of the digestive tract follows cycles of overeating Health Consequences Dehydration, kidney damage, irregular heart beat.
Also destroys tooth enamel; causes tooth decay and damage the tissues of the stomach, esophagus, and mouth. Binge Eating Disorder A disorder characterized by compulsive overeating, consume huge amounts of food at one time but do not try to purge.
Signals food as a coping mechanism. Health Consequences results in unhealthful weight gain which contributes to health problems such as type 2 diabetes, CV disease, stroke, gallbladder problems,high blood pressure, high cholesterol, and increased risk of certain types of cancer. Help! seek professional medical and psychological help, or support groups and clinics.
if you know someone with an eating disorder, tell an adult.
you can also help by encouraging you friend to seek professional help and by being supportive. http://www.funtrivia.com/playquiz/quiz3063092311360.html