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Weight Management. Food for Thought…. What are your favorite foods? What makes those foods your favorite?. Why do you eat?. Hunger – the body’s physical response to food Appetite – a desire to eat Sight or smell of food Time of day Your mood Satiety – the full feeling.

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Presentation Transcript
food for thought
Food for Thought…
  • What are your favorite foods?
  • What makes those foods your favorite?
why do you eat
Why do you eat?
  • Hunger – the body’s physical response to food
  • Appetite – a desire to eat
    • Sight or smell of food
    • Time of day
    • Your mood
  • Satiety – the full feeling
breakfast is important
Breakfast is important!
  • When you wake up in the morning, you haven’t eaten for 10 to 12 hours!
  • You need glucose (energy) for your brain to function!
food provides energy
Food provides energy
  • Calorie = measure of energy
  • How excess food energy is stored

Carbs Fat Protein

Glycogen Body Fat

how much energy do you need
How much energy do you need?
  • How much energy you need depends on how much energy your body is using.
basal metabolic rate bmr
Basal Metabolic Rate (BMR)
  • Definition: the minimum amount of energy needed to keep you alive when you are in a rested, fasting state, such as just after you wake up in the morning.
calculate your bmr
Calculate your BMR
  • An easy way to find out your approximate BMR is to add a 0 to your body weight.
  • EX) If you weigh 135 pounds…your BMR would be 1,350.
how many calories do you need
How many calories do you need?
  • BMR + how active you are
    • The more active you are, the more energy your body uses.
    • The amount of energy needed for an activity also increases as body weight increases.
energy balance
Energy Balance
  • When the amount of food energy you take in (eat) is equal to the amount of energy you use (activity) you are in balance

Energy In Energy Out

gaining weight
Gaining Weight
  • Eating more calories than you burn will cause you to gain weight

Energy Out

Energy In

losing weight
Losing Weight
  • If you eat fewer calories than you burn, you will lose weight.

Energy In

Energy Out

health problems from being overweight
Health Problems from being overweight
  • Heart disease and high blood pressure
  • Certain forms of cancer: prostate, colon, and breast
  • Type 2 diabetes
  • Sleeping problems
a growing problem
A growing problem
  • Overweight – heavy for his/her size (10% over highest recommended weight)
  • Obesity - a condition in which there

is an excess of body fat

for one’s weight

(20% above recommended

weight range)

weight trends in the us
Weight trends in the US

With more and more fast food restaurants

and kids being less active due to computers and

television, the obesity rate is growing throughout the

United States.

In the following video watch the growing trend from


what determines your weight
What determines your weight?
  • Heredity
  • Lifestyle

Certain conditions that have been passed down from your parents.

Habits and behaviors that you choose that could influence your health.

body composition
Body Composition
  • Definition – the ratio of lean body tissue (muscle to bone) to body-fat tissue
  • Ways to measure body composition
    • BMI
    • Skinfold Test
    • Hydrostatic weighing
    • Electromagnetic
body mass index
Body Mass Index
  • Index of weight in relation to height
lose fat not muscle
Lose Fat…Not Muscle!
  • Faster weight loss usually

means loss of water and


  • ½ pound – 1 lb per week is recommended
  • 1 lb/week = 500 calories/day

(eat less or exercise more)

going on a diet suggests that you will go off

Going ON a diet suggests that you will go OFF…

Diets are usually

Temporary. Instead you

should aim for lifestyle


if you are underweight
If you are underweight…
  • Gradually increase your food intake
    • Snacking – eating more frequently
    • Choose nutritious foods high in calories
  • Exercise
    • Strength


fad diets
Fad Diets
  • A diet that requires major changes in your eating habits and promises quick results
low carb diets
Low carb diets
  • Ex) Atkins
  • Idea is that if you

restrict carbs…your body

will burn fat

  • Problem – your body needs carbs to burn fat
  • Not healthy in the long-term because they are low in grains, fruits, and veggies
liquid formulas
Liquid formulas
  • Ex) Slimfast
  • Lowers the number of calories per day by replacing meals with liquid
  • This can be dangerous – most likely not getting all of the nutrients your body needs!
  • Ex) Ephedra, Caffeine
  • Reduce appetite and give a feeling of energy
  • Bad side effects – nervousness, dizziness, headache, increased blood pressure, heart attacks, and seizures
  • Ex: Not Eating
  • Weight loss is initially rapid as the body uses fat stores for energy
  • Body proteins are broken down to provide the missing energy = loss of muscle mass
diet pills
Diet Pills
  • A pill that causes you to lose weight without the need for low calorie diets and exercise
  • No SAFE pill exists!
  • Gastric bypass – changes

the structure of the digestive tract by bypassing part of the stomach

  • Lap Band – an adjustable band that makes the opening of the stomach smaller
    • Reduces the amount of food you can eat
weight loss the safe way
Weight loss- the safe way
  • Lifestyle change
    • Balance your calorie intake with your exercise
    • Change the habits that lead to weight gain
eating disorders1
Eating disorders
  • Conditions that involve an unhealthy degree of concern about body weight and shape and that may lead to efforts to control weight by unhealthy means
  • May include
    • Never eating enough
    • Dieting excessively
    • Eating only certain types of foods
    • Eating too much
    • Not responding to natural feelings of fullness or hunger
body image
Body image
  • How you see and feel about your appearance and how comfortable you are with your body
  • Having a healthy body

image means you accept

your body’s appearance

and abilities

common eating disorders
Common eating disorders
  • Anorexia
  • Bulimia
  • Bingeing or binge eating
  • Involves self-starvation, a distorted body image, and low body weight
  • Signs/symptoms
    • Intense fear of weight gain
    • Overexercising
    • Preferring to eat alone
    • Preoccupation with calories
    • Extreme weight loss
    • Loss of menstrual periods
    • Hair loss on head
    • Depression and anxiety
    • Weakness and exhaustion
  • An individual repeatedly eats large amounts of food and then uses behaviors such as vomiting or using laxatives to rid the body of the food
  • Signs/symptoms
    • Preoccupation with body weight
    • Bingeing with or without purging
    • Bloodshot eyes and sore throat
    • Dental problems
    • Irregular menstrual periods
    • Depression and mood swings
    • Feeling out of control
binge eating
Binge eating
  • Eating large amounts of food in one sitting
  • Above-normal body


  • Bingeing episodes

accompanied by feelings

of guilt, shame, and loss

of control


Eating behaviors that are not severe enough to be classified as a specific eating disorder are considered

  • Some examples are…
    • Bingeing every once in a while, not regularly
    • Purging after eating small amounts of food
    • Deliberate dehydration for weight loss
    • Hiding food


could you be at risk of having an eating disorder
Could you be at risk of having an eating disorder?
  • Warning signs
    • Preferring to eat alone
    • Being overly critical about body size and shape
    • Thinking about food often
    • Weighing everyday
    • Eating a lot of “diet” foods
getting help
Getting help
  • Professional help from physicians, psychologists, and nutritionists is essential to manage and recover from an eating disorder