Lecture 4

Question 1

Hunger-Obesity Paradox ***WILL BE ON EXAM!! Describe

Answer 1

Overeating when food is available (beginning of the month.

People become efficient at storing fat (survival)!

Question 2

What helps with weight control?

Answer 2

Mealplanning

Question 3

What makes us choose food?

Answer 3

Taste, cost, convenience

Question 4

Energy Density?

Answer 4

weight/ volume of food.
Higher energy density– A lot of calories for a low weight ex. white pasta, bread, rice
lower energy density— few calories for a low weight/ volume
ex. fruit, veggies, whole grains

Question 5

What are problems of excess body fat?

Answer 5

respiratory-- sleep apnea
type 2 diabetes
heart disease
hypertension
increased risk of breast cancer, colon cancer, prostate cancer

Question 6

BMI

Answer 6

doesn’t measure body fat

kg/m^2 ( i think) –check my notes

Question 7

Methods for assessing body composition?

Answer 7

skin-fold thickness

underwater weighing

Question 8

Visceral Fat **WILL BE TESTED!!!

Answer 8

interior fat!
Central Obesity 
Fat between muscle and the organ
Poses health risks
tight stomach (Protruding belly)

Question 9

Subcutaneous Fat

Answer 9

No health risk

butt and thigh fat

Question 10

Waist circumference

Answer 10

as waist size increases disease increases

Question 11

St point theory

Answer 11

Resits weight change– defend a certain body weight
can increase with long term overeating
can decrease with long term physical activity

Question 12

satiety

Answer 12

feeling of fullness and satisfaction
Hunger– physiological response
appetite– psychological response

Question 13

How does leptin work???

long term–regulating body fat

Answer 13

Weight loss=less leptin–> increased energy intake and decreased energy expenditure
weight gain= more leptin–> decreased energy intake and increased expenditure
**DOESNT MAKE SENSE?? *******EXPLAIN TO ME!!

Question 14

What is Ghrelin?

regulating energy balance

Answer 14

hormone in stomach

stimulate desire to eat

Question 15

What is CCK?

regulating energy balance

Answer 15

hormone
small intestines (digestion)
goes from blood –> brain to suppress appetite

Question 16

What contribute to obesity?

Answer 16

Thrifty Metabolism— efficient at storing fat/energy
Adaptive thermogenesis– decreased energy expenditure
Brown adipose tissue– higher mitochondria content, helps keep body warm

Question 17

Treatment/ What is obesity

Answer 17

chronic disorder-- leads to other illnesses
**better c success with cancer treatment
for treatment: should be overweight 
risk factors for chronic diseases
MOTIVATED

Question 18

Diet composition for weight management

Answer 18

Eat less!
Compliance– have to stick with the plan! taste. cost, availability/convenience is important!
olive oil– health benefits and satiety

Question 19

Low carb diets–

Answer 19

you eat less since carbs are in so many foods

Not healthy long term!

Question 20

Components of Healthy Weight Loss Program

Answer 20

Control of energy (calories do count)
Compliance is key!
Low Fat leads to Hunger!
slow weight loss
increase in energy expenditure– to maintain weight loss
change behavior
food included should improve health–***FLYNN SAID IMPORTANT

Question 21

Fad Diet

Answer 21

Promise of fast weight loss
selling product
Why work? people eat less
eating behaviors not changed
testimonials from famous people