Lecture 9.23.16 - Obesity

Question 1

How is BMI calculated?

Answer 1

1. Weight (kg)/Height (m^2)

2. Weight (lb)/Height (in^2) * 703

Question 2

What are two limitations of BMI?

Answer 2

Overestimate athlete BMI and underestimate elderly BMI

Question 3

Obesity is defined as a waist circumference greater than ___ in men and ___ in women.

Answer 3

40”; 35”

Question 4

What are the BMI weight classifications?

Answer 4

Underweight: <18.5
Normal weight: 18.5-24.9
Overweight: 25-29.9
Obese: >30

Question 5

What are the weight classifications for children?

Answer 5

Underweight: <5th percentile
Healthy weight: 5th-<85th percentile
Overweight: 85th-<95th percentile
Obesity: equal to or greater than the 95th percentile
Severe obesity: 99th percentile

Question 6

What percent of adult Americans are overweight or obese?

Answer 6

66%

Question 7

What percent of children and adolescents are overweight or obese?

Answer 7

33%

Question 8

Childhood obesity is mostly established prior to age ___.

Answer 8

5

Question 9

What are some of the hidden costs of obesity?

Answer 9

Energy to produce food, extra 1 billion gallons of gasoline, energy for packaging, managing waste, using resources from around the world

Question 10

What are some causes of obesity?

Answer 10

Genetics, sleep, microbiome, toxins, viruses, cultural (societal and individual)

Question 11

___ increases as body weight increases.

Answer 11

Set point

Question 12

As you decrease calories, ___ decreases.

Answer 12

Metabolic rate

Question 13

A higher protein diet for babies is correlated with what?

Answer 13

Increased risk of developing obesity any time in life

Question 14

Are processed foods associated with obesity?

Answer 14

Yes

Question 15

Obesity surpassed ___ in quality adjusted life years lost.

Answer 15

Smoking

Question 16

What is metabolic programming?

Answer 16

The concept that there are environmental and nutritional influences at critical periods of development