Obesity evidence

Question 1

What’s the cutoff point for obesity for BMI? What’ the pre-obese BMI? Healthy?

Answer 1

obesity >30
pre-obese 25-29.9
healthy 18.5-24.9

Question 2

Which population is at increased risk of CVD? Above what BMI is associated with increased CVD risk?

Answer 2

asian

>23

Question 3

What body measurements would be a better measurement of health risk than BMI?

Answer 3

waist circumference
apple or pears body shape
skin folds?

Question 4

List some consequences of obesity (7)

Answer 4

risk factor for CHD
increased bp
increased plasma cholesterol levels
increases risk of type II diabetes (additional risk for CHD)
resp problems
osteoarthritis

Question 5

What are 5 possible reasons for obesity?

Answer 5

genetics
diet
low physical activity
pregnancy
ageing

Question 6

What’s the correlation between obesity, and food intake and exercise?

Answer 6

no relationship between food intake and obesity

good correlation between % time on tv and obesity

Question 7

What’s the general message behind the link between food intake and obesity?

Answer 7

energy intake is equal, but difference in activity

Question 8

What is deemed the biggest cause of obesity?

Answer 8

reduced activity

Question 9

What’s a genetic syndrome that makes you especially vulnerable to obesity?

Answer 9

Prader-Willi syndrome - hypothalamic disorder - excessive appetite

Question 10

Deficiency in what hormone can lead to obesity?

Answer 10

Leptin deficiency

leptin reduces appetite